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Hashima Island
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Various views from the ocean and from on the island, 2016

Key Information

Hashima Island (端島; or simply Hashima, as -shima is a Japanese suffix for 'island'), commonly called Gunkanjima (軍艦島; meaning 'Battleship Island'), is an abandoned island off Nagasaki, lying about 15 kilometres (8 nautical miles) from the centre of the city. It is one of 505 uninhabited islands in Nagasaki Prefecture. The island's most notable features are its abandoned concrete buildings, undisturbed except by nature, and the surrounding seawall. While the island is a symbol of the rapid industrialisation of Japan, it is also a reminder of Japanese war crimes as a site of forced labour prior to and during World War II.[1][2]

The 6.3-hectare (16-acre) island was known for its undersea coal mines, established in 1887, which operated during the industrialisation of Japan. The island reached a peak population of 5,259 in 1959. In 1974, with the coal reserves nearing depletion, the mine was closed and all of the residents departed soon after, leaving the island effectively abandoned for the following three decades.

Interest in the island re-emerged in the 2000s on account of its undisturbed historic ruins, and it gradually became a tourist attraction. Certain collapsed exterior walls have since been restored, and travel to Hashima was reopened to tourists on 22 April 2009. Increasing interest in the island resulted in an initiative for its protection as a site of industrial heritage.

After much controversy, the island's coal mine was formally approved as a UNESCO World Heritage Site in July 2015, as part of the Sites of Japan's Meiji Industrial Revolution series. Japan and South Korea negotiated a deal to facilitate this, in which Korea would not object to allowing Hashima Island to be included, while Japan would cover the history of forced labour on the island. All other UNESCO committee members agreed that Japan did not fulfill its obligations, and efforts to mediate this are ongoing.[3][4][5]

Etymology

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Battleship Island is an English translation of the Japanese nickname for Hashima Island, Gunkanjima (gunkan meaning warship, Jima being the rendaku form of Shima, meaning island). The island's nickname came from its resemblance from a distance to the Japanese battleship Tosa.[6]

History

[edit]
An apartment block on the island, c. 1930
Hand-tinted postcard of Hashima from the Meiji era
Hashima c. 1930
View of the island in 2009

Coal was first discovered on the island around 1810,[7] and the island was continuously inhabited from 1887 to 1974 as a seabed coal mining facility. Mitsubishi Goshi Kaisha bought the island in 1890 and began extracting coal from undersea mines, while seawalls and land reclamation (which tripled the size of the island[citation needed]) were constructed. Four main mine-shafts (reaching up to a kilometre deep) were built, with one actually connecting it to a neighbouring island. Between 1891 and 1974, around 15.7 million tons of coal were excavated in mines with temperatures of 30 °C and 95% humidity.

In 1916, the company built Japan's first large reinforced concrete building (a 7-floor miner's apartment block),[8] to accommodate their burgeoning ranks of workers. Concrete was specifically used to protect against typhoon destruction. Over the next 55 years, more buildings were constructed, including apartment blocks, a school, kindergarten, hospital, town hall, and a community centre. For entertainment, a clubhouse, cinema, communal bath, swimming pool, rooftop gardens, shops, and a pachinko parlour were built for the miners and their families.

Beginning in 1930s and until the end of World War II, conscripted Korean civilians and Chinese prisoners of war were forced to work under very harsh conditions and brutal treatment at the Mitsubishi facility as forced labourers under Japanese wartime mobilisation policies.[1][9][10][11] During this period, many of these conscripted labourers died on the island due to various dangers, including underground accidents, exhaustion, and malnutrition; 137 died by one estimate;[12] about 1,300 by another.[13]

In 1959, the 6.3-hectare (16-acre) island's population reached its peak of 5,259, with a population density of 835 people per hectare (83,634 people/km2, 216,264 people per square mile) for the whole island, or 1,391 per hectare (139,100 people/km2) for the residential district.[14]

As petroleum replaced coal in Japan in the 1960s, coal mines began shutting down across the country, and Hashima's mines were no exception. Mitsubishi officially closed the mine in January 1974, and the island was cleared of inhabitants on 20 April.[15]

Today, its most notable features are the abandoned and still mostly-intact concrete apartment buildings, the surrounding seawall, and its distinctive profile shape. The island has been administered as part of Nagasaki city since the merger with the former town of Takashima in 2005. Travel to Hashima was re-opened on 22 April 2009, after 35 years of closure.[16]

Current status

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Ruins of the mine, 2011

The island was owned by Mitsubishi until 2002, when it was voluntarily transferred to Takashima Town. Currently, Nagasaki City, which absorbed Takashima Town in 2005, exercises jurisdiction over the island. On 23 August 2005, landing was permitted by the city hall to journalists only. At the time, Nagasaki City planned the restoration of a pier for tourist landings in April 2008. In addition a visitor walkway 220 meters (722 feet) in length was planned, and entry to unsafe building areas was to be prohibited. Due to the delay in development construction, however, at the end of 2007, the city announced that public access was delayed until spring 2009. Additionally the city encountered safety concerns, arising from the risk of collapse of the buildings on the island due to significant ageing.

It was estimated that landing of tourists would only be feasible for fewer than 160 days per year because of the area's harsh weather. For reasons of cost-effectiveness, the city considered cancelling plans to extend the visitor walkway further—for an approximate 300 metres (984 feet) toward the eastern part of the island and approximately 190 metres (623 feet) toward the western part of the island—after 2009.[citation needed] A small portion of the island was finally reopened for tourism in 2009, but more than 95% of the island is strictly delineated as off-limits during tours.[17] A full reopening of the island would require substantial investment in safety, and detract from the historical state of the aged buildings on the property.

The island is increasingly gaining international attention not only generally for its modern regional heritage, but also for the undisturbed housing complex remnants representative of the period from the Taishō period to the Shōwa period. It has become a frequent subject of discussion among enthusiasts for ruins. Since the abandoned island has not been maintained, several buildings have collapsed, mainly due to typhoon damage, and other buildings are in danger of collapse. However, some of the collapsed exterior walls have been restored with concrete.[18]

Access

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Sightseeing on the island, August 2010

When people resided on the island, the Nomo Shosen line served the island from Nagasaki Port via Iōjima Island and Takashima Island. Twelve round-trip services were available per day in 1970. It took 50 minutes to travel from the island to Nagasaki. After all residents left the island, this direct route was discontinued.

Since April 2009, a small southern section of the island has been open for public visits,[16][19] although there are restrictions by Nagasaki city's ordinance.[20][21] The residential sections occupying most of the island remain publicly off-limits.

World Heritage Site approval controversy

[edit]
See also: Japanese history textbook controversies

In 2009, Japan requested to include Hashima Island, along with 22 other industrial sites, in the UNESCO World Heritage Site list. The inclusion of Hashima in particular was condemned by the South Korean, North Korean, and Chinese governments.[22][23] South Korea argued that the official recognition of those sites would "violate the dignity of the survivors of forced labour" and that "World Heritage sites should [...] be acceptable by all peoples across the globe".[23]

South Korea and Japan eventually agreed on a compromise: that Japan would present information about the use of forced labour in relevant sites and both nations would cooperate towards the approval of each other's World Heritage Site candidates.[24][25]

On 5 July 2015,[4] at the 39th UNESCO World Heritage Committee (WHC) meeting, South Korea formally withdrew its opposition to Hashima Island being on the list. Japan's UNESCO representative Kuni Sato committed to acknowledging the issue as part of the history of the island, and stated that "there were a large number of Koreans and others who were brought against their will and forced to work under harsh conditions in the 1940s at some of the sites [including Hashima Island]".[25][4][26][27][28] Japan also claimed to be "prepared to incorporate appropriate measures into the interpretive strategy to remember the victims such as the establishment of information centre".[25][26][29]

The site was subsequently approved for inclusion on the UNESCO World Heritage list on 5 July as part of the item Sites of Japan's Meiji Industrial Revolution: Iron and Steel, Shipbuilding and Coal Mining.[30]

Historical revisionism and international condemnation

[edit]

Immediately after the UNESCO WHC meeting, Japanese Foreign Minister Fumio Kishida rejected the idea that Koreans were "forced labourers", and claimed that they were instead "requisitioned against their will" to work.[31][32][33] This remark was condemned by a South Korean government official as being nonsensical and evasive.[33]

The Japanese politician Kōko Katō [ja], a close ally of Prime Minister Shinzo Abe, was to manage the preparation of the sites.[34] The Japanese government gave Katō's private company, the National Congress of Industrial Heritage (産業遺産国民会議), a budget of at least 1.35 billion yen. Even before the opening of the first museum covering Hashima, Katō used part of her budget to publish a series of articles and videos that denied that Koreans were ever forced to labour on the island.[35][36] This includes videos that single out and attempt to discredit individual Korean survivors.[37][38]

The Industrial Heritage Information Centre (2020)

On 15 June 2020, the Industrial Heritage Information Centre (産業遺産情報センター; IHIC) opened in Tokyo. Shortly afterwards, the South Korean Ministry of Foreign Affairs officially strongly protested the interpretations of Hashima Island presented at the IHIC, which it characterised as revisionist.[39][34] A number of domestic observers echoed these sentiments and called for Japan to correct the exhibit.[40][41]

These complaints prompted UNESCO to send a committee to investigate. In June 2021, the committee published a report that found that Japan had failed to meet its end of the original agreement. The report stated that:[42][34]

The oral testimonies displayed [in the centre], which were all related to Hashima Island, convey the message that there were no instances of [Koreans and others] being forced to work there. The mission has therefore concluded that the interpretive measures to allow an understanding of those brought against their will and forced to work are currently insufficient.

The IHIC's displays were based mostly on Katō's primary sources, all of whom were based in Japan. Only one Korean had his testimony presented in the exhibit; he was a young child on the island and did not recall the labour conditions or experiencing discrimination. Some of the testimonies (all from Japanese residents) explicitly deny that Koreans were discriminated against. Most testimonies are reportedly from people who were children on the island or left the island at a young age, and had little actual contact with Korean labourers there.[41][34][43]

Soon afterwards, the other 21 nations of the World Heritage Committee unanimously called for Japan to revise the exhibit.[34][44] These calls were echoed by The Asahi Shimbun and a number of other observers.[45][34][44][36] UNESCO asked Katō and the IHIC to submit a report with their future plans to revise the exhibit by 1 December 2022.[34][44]

Katō published a response on 4 August, in which she rejected the possibility of acknowledging forced labour and claimed that "the people from the Korean Peninsula on Hashima Island [...] supported the system of increased production as a harmonious workforce like a family".[46] Meanwhile, she had been conducting interviews with and inviting far right historical revisionists to visit her museum, such as Toshio Motoya, who denies that the Nanjing Massacre occurred. She also appeared in an interview with Japan-based American influencer Kent Gilbert, who denies that Japan had sex slaves during World War II. In many of her interviews, she spent significant time discrediting Korean survivors.[35]

Japan did not meet the deadline, and instead submitted a 577-page document defending the IHIC and saying its exhibits showed the complete history of the island.[43] It also filed a request to have Sado Island, another island where forced labour took place, to be recognised as a UNESCO site.[47]

In 2023, a number of new exhibits were installed at the IHIC to quell the concerns of UNESCO and South Korea. The museum reportedly maintains that no systemic discrimination occurred towards Koreans, and its new exhibits align with this message. In one exhibit, a video is played of Kuni Sato's affirmation that forced labour occurred. A reporter for The Hankyoreh claimed that there are no Japanese subtitles for the English-language statement. Another exhibit acknowledges the occurrence of a mine cave-in, during which workers of varying ethnicities, including Korean, died. There are reportedly no testimonies from Koreans about forced labour or discrimination; one testimony from a Korean expresses denial of any discrimination occurring.[4]

In September 2023, UNESCO reported that Japan had taken some measures to improve the situation, but asked for continual improvements and for a follow-up report due 1 December 2024. South Korea requested continuing dialogue on improvements.[4][5] A reporter for The Hankyoreh argued that UNESCO's report leaned positive because South Korean representatives under the administration of President Yoon Suk Yeol, who is considered to be friendlier to Japan, did not adequately challenge the changes.[4]

In February 2025, the WHC released a report that found that the IHIC had still not adequately addressed forced labour in its exhibits. According to South Korean officials, Korean victims testimonies were included in the museum, but they were left in the Korean language and put on a bookshelf, rather than being in a museum display.[48]

NHK documentary controversies

[edit]

Around 2020, Katō learned of a 1955 documentary about the island called Island Without Green (緑なき島). It was produced by Japanese broadcaster NHK, and portrayed extremely poor conditions for workers. Katō questioned the documentary, and requested that NHK issue a statement that the documentary was misleading as it used footage filmed at other mines and in much later time periods.[49] Opposition groups questioned the validity of the requested NHK clarifications, categorising them as revisionist.[36][50][51]

[edit]

In 2002, Swedish filmmaker Thomas Nordanstad visited the island with Dotokou, a Japanese man who grew up on Hashima. Nordanstad documented the trip in a film called Hashima, Japan, 2002.[52]

During the 2009 Mexican photography festival FotoSeptiembre, Mexican photographers Guillaume Corpart Muller and Jan Smith, along with Venezuelan photographer Ragnar Chacin, showcased images from the island in the exhibition "Pop. Density 5,000/km2". The exhibition traced urban density and the rise and fall of cities around the world.[53]

In 2009, the island was featured in History Channel's Life After People, first-season episode "The Bodies Left Behind" as an example of the decay of concrete buildings after only 35 years of abandonment.[54] The island was again featured in 2011 in episode six of a 3D production for 3net, Forgotten Planet, discussing the island's current state, history and unauthorised photo shoots by urban explorers.[55] The Japanese Cultural Institute in Mexico used the images of Corpart Muller and Smith in the photography exhibition "Fantasmas de Gunkanjima", organised by Daniela Rubio, as part of the celebrations surrounding 200 years of diplomacy between Mexico and Japan.[56]

In July 2009, Japanese rock duo B'z shot the music video for their single "My Lonely Town" on the island. This was the first time a large-scale music video had been shot there. Special permission was given from Nagasaki to utilise the entire island for filming, including aerial shots of the island and the band being able to go in areas most visitors wouldn't normally be able to go in.[57][58]

The island has appeared in a number of feature films. External shots of the island were used in the 2012 James Bond film Skyfall.[52] The 2015 live-action Japanese films based on the manga Attack on Titan used the island for filming multiple scenes,[59] and 2013 Thai horror film Hashima Project was filmed there.[60]

The island is depicted in the comic series Atomic Robo, where it features prominently as a central location in the storylines of Volume 6: The Ghost of Station X, Volume 10: The Ring of Fire, and Volume 12: The Spectre of Tomorrow.[61][62][63]

The 2017 South Korean World War II film The Battleship Island (Korean: 군함도; Hanja: 軍艦島; RR: Gunhamdo), depicts a fictitious attempt by Korean forced labourers to escape the labour camp on the island.[64][65][66]

The island appeared in a CNN article entitled "10 of the freakiest places around the world".[67]

In Nintendo's third-person shooter series Splatoon, the stage "Bluefin Depot" is based on parts of Hashima Island.[68][69][70]

A TBS drama The Diamond Sleeping in The Sea (海に眠るダイヤモンド, Umi ni Nemuru Daiyamondo) mainly takes place in the year 1955 of Hashima.[71]

See also

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References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Hashima Island

View on Grokipedia
from Grokipedia
Hashima Island, officially known as Hashima (端島) and popularly nicknamed Gunkanjima ("Battleship Island") for its warship-like silhouette, is a small, abandoned located approximately 15 kilometers southwest of in , . Acquired by in 1890, the 6.3-hectare island became Japan's pioneering site for large-scale undersea , featuring innovative high-rises to accommodate workers amid expanding operations that fueled the nation's Meiji-era industrialization and economic boom. At its zenith in 1960, Hashima supported a peak population of 5,300 residents, yielding one of the highest population densities ever recorded at over 83,000 people per square kilometer, sustained by self-contained infrastructure including schools, hospitals, and recreational facilities. The mine's closure in April 1974, prompted by exhausted reserves and the global shift to cheaper , necessitated the rapid evacuation of all inhabitants by December, transforming the island into a weathered of crumbling concrete structures exposed to corrosive sea air. Designated in as a component of the World Heritage-listed "Sites of Japan's Meiji Industrial Revolution: Iron and Steel, and ," Hashima exemplifies Japan's technological leap in resource extraction but has drawn scrutiny for its wartime employment of conscripted Korean and Chinese laborers under brutal conditions, with Japan committing post-inscription to enhanced historical documentation amid ongoing international debates. Today, limited tourist access highlights its eerie ruins, conservation efforts against rapid decay, and cultural depictions in media, underscoring both industrial ingenuity and the human costs of extractive labor in a confined maritime outpost.

Geography and Etymology

Location and Physical Characteristics

Hashima Island lies in the , approximately 15 kilometers southwest of city center in , southwestern . Administratively, it belongs to city and is one of over 500 uninhabited islands in the prefecture. The island is accessible only by , with tours departing from Nagasaki Port, underscoring its isolated offshore position within the Takashima district. The island spans 6.3 hectares (16 acres), with dimensions of about 480 meters north to south and 160 meters east to west, forming a narrow, elongated shape. Originally a small rocky protruding from undersea seams, it was extensively modified through starting in the late , expanding usable land for mining infrastructure. A protective encircles the perimeter, constructed from to shield against waves and typhoons prevalent in the . The surface terrain is predominantly flat and barren, dominated by artificial structures with minimal natural vegetation due to heavy industrialization and exposure to . Geologically, Hashima rests on sedimentary rock layers rich in bituminous coal, which extend underwater and supported its primary economic function until the mid-20th century. The island's elevation is low, rising only slightly above sea level, making it vulnerable to erosion and storm surges without engineered defenses.

Naming and Nicknames

Hashima Island's official name in Japanese is 端島 (Hashima), a designation reflecting its geographical position as a peripheral outcrop in Nagasaki Prefecture. The term "Hashima" derives from "hashi" meaning "edge" or "tip" and "shima" meaning "island," denoting its fringe-like location relative to the mainland. The island is far more widely recognized by its nickname Gunkanjima (軍艦島), literally translating to "military battleship island" or simply "" in English. This moniker was coined in by the Nagasaki Nichinichi Shimbun newspaper, which noted the island's seaward silhouette—formed by its multi-story concrete residential blocks atop a reclaimed plateau—resembled the profile of the Imperial Japanese Navy's unfinished battleship Tosa. The resemblance is most apparent from certain angles at sea, with the structures evoking a warship's and smokestacks. No other prominent nicknames are documented in historical records.

Historical Development

Pre-Industrial Discovery and Early Mining (1810-1890)

Coal deposits on Hashima Island were first identified in 1810 when local fishermen observed seams of coal exposed on the island's rocky reefs during low tide. This discovery occurred under the feudal control of the Saga Domain, ruled by the Nabeshima clan, which oversaw the Nagasaki region in the late Edo period. Initial extraction was rudimentary and limited to surface-level "seashore mining," where workers collected accessible coal as a supplementary activity to fishing, without employing advanced techniques or permanent infrastructure. No records indicate significant output or economic impact from these efforts, reflecting the pre-industrial constraints of the era. Following the in 1868, which initiated Japan's industrialization, interest in Hashima's reserves grew, though operations remained small-scale under continued Nabeshima oversight. The , transitioning to modern administrative structures, attempted to exploit the deposits but faced challenges including difficult access to the uninhabited and limited technology for deeper extraction. persisted at a modest level, primarily involving manual labor for shallow seams, with transported sporadically to the mainland via small boats for local use. These activities did not yet support habitation or substantial production, underscoring the site's marginal viability prior to large-scale investment. By the mid-1880s, efforts intensified as private entrepreneurs, including Moto Watanabe, sought to develop undersea potential amid Japan's push for energy resources. In 1887, the first shaft was sunk to a depth of 36 meters, introducing basic stone-walled machinery sheds and depots with protective dikes on the eastern beach; this marked the island's initial permanent habitation by a small . Despite these advances, output remained constrained, and several prior attempts at shaft had failed due to technical and logistical hurdles. The period culminated in 1890 when Magorokuro Nabeshima, a former lord, sold the mining rights to for ¥100,000, transitioning the site from feudal and early private control to corporate exploitation.

Expansion Under Mitsubishi Ownership (1890-1920)

In 1890, acquired the Hashima Coalmine from Nabeshima Magorokuro for 100,000 yen, integrating it as a branch of its nearby Takashima Coal Mine operations. This purchase, facilitated by Scottish businessman Thomas Blake Glover's influence on modern mining techniques, marked the shift to industrialized undersea coal extraction, with full-scale operations commencing in 1891. The island's high-quality coking coal, superior to typical Japanese deposits, was directed toward steel production at facilities like the Yawata Steel Works, supporting Japan's rapid Meiji-era industrialization. Expansion accelerated with the digging of a second shaft in and a third in , enabling deeper undersea and increased output that soon exceeded Takashima's production. began in 1897 to accommodate rising worker numbers, initiating a series of six embankment projects that ultimately tripled the island's size to approximately 480 meters north-south and 160 meters east-west. developments included stone-walled machinery sheds, a ship named Yugao Maru for , water-distilling equipment for freshwater supply, and a for salt production, fostering early self-sufficiency. By the , annual production reached 100,000 to 200,000 tons, reflecting Mitsubishi's efforts, including Japan's first major undersea exploitation using imported technologies. prompted further innovations, such as the construction of Japan's inaugural apartment building in 1916 and an elementary school to house and educate workers' families, pushing inhabitants beyond 3,000 by that year. Labor practices evolved from the initial "shed system"—where workers lived in communal barracks and faced disputes—to direct employment, aligning with the company's centralized control.

Peak Productivity and Urban Growth (1920-1940)

During the 1920s and 1930s, Hashima Island's coal mining operations achieved sustained high productivity, with Mitsubishi implementing deeper shafts and mechanized extraction methods to access undersea seams. By 1933, operational data indicated monthly coal output around 20,500 tons, supporting Japan's steel industry through high-quality coking coal. Advancements included the completion of a shaft at 606 meters below sea level in September 1936 and the introduction of belt conveyors for transport, which boosted efficiency amid national coal demand. These efforts positioned Hashima as a key contributor to Japan's interwar industrialization, with production building toward a wartime peak of 411,100 tons in 1941. Urban expansion kept pace with demands, as the island's hovered around 3,300 from 1920 to the early 1940s, necessitating dense housing solutions. In August 1930, completed its first direct-management dormitory to house workers, complementing earlier high-rises like Building No. 30 from 1916. Six major projects using seawalls and rubble extended the island's usable area by the early 1930s, enabling the addition of self-sufficiency such as schools, hospitals, temples, and stores amid narrow building gaps. This development sustained a high-density community, with approximately 3,136 residents recorded in 1935, including 1,240 mine workers.

Wartime Operations and Labor Mobilization (1941-1945)

As Japan's involvement in deepened following the on December 7, 1941, Hashima Island's coal mine under management ramped up extraction to fuel the , particularly for manufacturing and naval operations reliant on coal-derived coke. The island achieved its record annual output of 411,000 tons in 1941, surpassing prior peaks and ranking among the nation's top producers amid government-mandated quotas under the National Mobilization Law of , which prioritized industrial resources for military needs. This surge reflected broader wartime dynamics, where coal production nationwide hit 56.3 million tons in 1940 before stabilizing under strain from labor deficits and supply disruptions through 1945. Acute labor shortages, driven by the conscription of able-bodied Japanese men into the armed forces, prompted to expand from colonial Korea starting in late 1939, with approximately 1,500 Korean workers transferred to mines, including Hashima, to fill gaps in underground operations. By early 1941, additional mobilizations included small groups of Japanese , such as 12 men from Kikitsu village dispatched to the in to boost productivity. Korean laborers, often sourced via private brokers under imperial subject policies, were integrated into the workforce peaking at over 5,000 total residents; while Japanese records portray many as voluntary workers enticed by wages averaging 150 yen monthly, survivor accounts document coercive tactics like false promises of light duties and physical compulsion, leading to overrepresentation of coerced individuals relative to official tallies of around 1,300 overall. From 1943 onward, the mobilization extended to Chinese nationals, including prisoners of war and civilians captured during campaigns in , who were funneled into mines like Hashima via oversight to sustain output amid intensifying Allied blockades and aerial threats. Working conditions deteriorated under wartime , with foreign laborers enduring overcrowded , meager millet-based rations, and exposure to explosions and collapses inherent to deep-sea at depths exceeding 1,000 meters; documented donations of daily wages by Hashima workers in December 1941 underscore collective sacrifices, but mortality rates—estimated at dozens to over 100 among from accidents, disease, and abuse—highlight the human cost, though claims of systematic extermination lack substantiation and contrast with the mine's primary economic imperative. Japanese institutional sources, such as archives, tend to minimize by emphasizing legal recruitment frameworks, while Korean and Chinese testimonies, preserved in oral histories, emphasize duress—a discrepancy attributable to rather than uniform fabrication. Production held through 1945 despite resource constraints, but the atomic bombing of on August 9, 1945, and Japan's surrender on September 2 effectively halted operations, with output collapsing postwar to 80,000 tons annually due to and infrastructure damage. The wartime phase thus exemplified Japan's mobilization, where Hashima's undersea seams powered imperial expansion at the expense of imported labor's welfare, though empirical records prioritize output metrics over ideological framings of victimhood or heroism.

Postwar Challenges and Closure (1946-1974)

Following , Hashima Island's coal mine resumed operations under Japan's priority production system, which designated as essential for postwar reconstruction, enabling increased output to support industrial recovery. Annual production stabilized at approximately 300,000 tons between 1945 and 1964, though overall postwar output trended downward from prewar peaks due to aging infrastructure and resource constraints. The workforce, which had dwindled during wartime mobilization, gradually recovered, but the island faced immediate infrastructural strain from war damage and labor shortages, with implementing efforts like Kappe mining techniques to boost efficiency amid union-driven improvements in wages and welfare. Natural disasters and accidents compounded operational difficulties throughout the and . No. 9 in 1956 destroyed the Dolphin Pier, southern wharf, and , while No. 14 in 1959 further damaged the pier and revetment walls, necessitating costly repairs. A major fire in 1957 razed the island's hospital, housing block No. 65, and schools, though facilities were rebuilt shortly thereafter; a 1964 fire flooded the primary mine shaft, severely curtailing output from key seams. conditions remained hazardous, with national fatality rates averaging 11.4 accidents per million man-shifts during 1962–1965, exacerbated by intensified labor demands and extended shifts without rest. By 1964, the workforce had contracted to 1,048 employees, reflecting Mitsubishi's stepwise reductions through retraining and transfers to mainland operations. The decisive challenge emerged from Japan's broader in the and , as imports—rising from under 10% of supply in the early to overtaking by the decade's end—proved cheaper and more efficient, eroding domestic coal demand and profitability. Hashima's high-quality coking coal, vital for , could not compete, with national mine closures accelerating from the late ; output at Hashima plummeted as and displaced in industry and power . A 1973 fire further accelerated decline, prompting Mitsubishi to shutter the mine in , with evacuation of the remaining ~1,000 residents completed by April. Closure ceremonies marked the end of operations, leaving the island's self-contained urban infrastructure obsolete amid the national pivot to hydrocarbon dominance.

Engineering and Infrastructure

Architectural and Reclamation Innovations

Hashima Island's architectural innovations centered on the early adoption of for multi-story residential structures, driven by spatial constraints and rapid population growth. In 1916, Mitsubishi completed Building No. 30, Japan's first apartment building, which integrated concrete frameworks with elements of traditional Japanese wooden housing to enhance durability against coastal conditions. This marked a pioneering shift from wood to modern materials in Japanese residential , enabling vertical expansion on the confined 6.3-hectare site. Subsequent buildings escalated in scale and ingenuity, including the No. 65 company residence, a U-shaped complex of 9 to 10 stories featuring a central with a children's and a rooftop for worker families. By , over 30 such edifices dotted the , some incorporating levels—a novelty for remote settings—and designed without elevators to prioritize cost and structural simplicity amid typhoon-prone environs. These high-rises, among Japan's tallest apartments of the era, optimized limited land for dense habitation, supporting peak populations exceeding 5,300 residents. Land reclamation innovations complemented architecture by artificially expanding the island's footprint using waste slack as fill material, growing the total area to 63,000 square meters by the mine's 1974 closure, with 25,000 square meters allocated to mining infrastructure. A robust perimeter , constructed from and stone, encircled the reclaimed zones to shield against relentless waves and storms, while additional retaining walls and piers stabilized slopes and facilitated material transport. These engineering feats, initiated post-1890 Mitsubishi acquisition, transformed the originally diminutive outcrop into a self-sustaining industrial bastion, exemplifying adaptive coastal modification for resource extraction.

Mining Techniques and Self-Sufficiency Systems

Hashima Island's operations pioneered large-scale undersea extraction in , commencing in under ownership, targeting bituminous coking seams located hundreds of meters beneath the . Miners accessed these deposits via vertical shafts sunk from the island's surface, descending through long, narrow tunnels reinforced against seawater infiltration, with elevators transporting workers and materials to subterranean levels. From spacious underground chambers, horizontal galleries extended to the coal faces, where teams divided into organized groups employed hand tools and later mechanized cutters to extract in a process akin to room-and-pillar or advancing longwall methods adapted for submarine conditions. Mechanization enhanced efficiency and safety, incorporating steam-powered hoists for haulage, water pumps to manage flooding from , and ventilation systems—including early turbines—to circulate air and mitigate gas buildup in the confined, high-humidity environment. Extracted was transported via conveyor belts or rail carts back to the shafts, elevated to the surface, and processed on-site before shipment, with slag repurposed for to expand the island's footprint for facilities. These techniques, inherited from nearby Takashima mines, yielded high-quality vital for Japan's industry, sustaining peak output of over 410,000 tons annually by the despite risks like collapses and inundation. To sustain its isolated community of up to 5,300 residents, Hashima implemented self-sufficiency measures for critical utilities, beginning with water distillation plants installed around 1893 that desalinated seawater via evaporation and condensation, distributing potable water directly to households and supporting ancillary production like salt. Electricity, essential for lighting, pumps, and machinery, was generated on-island using steam from coal-fired boilers, supplemented by mainland cables for reliability, while Mitsubishi centrally managed gas, sewage, and other lifelines to minimize disruptions. Food and consumer goods remained dependent on regular barge imports from Nagasaki, approximately 15 kilometers away, but the island's compact infrastructure—encompassing reservoirs, waste recycling via slag reuse, and communal facilities—enabled operational autonomy, functioning as a vertically integrated enclave under corporate oversight.

Social and Economic Aspects

Population Density and Daily Life

At its peak in 1959, Hashima Island supported a population of 5,259 residents on just 6.3 hectares of land, yielding a density of approximately 83,500 people per square kilometer—nine times that of central Tokyo at the time and the highest recorded globally for an inhabited place. This extreme crowding stemmed from the influx of miners and their families drawn by Mitsubishi's coal operations, transforming the tiny outcrop into a vertical urban enclave with multi-story concrete barracks housing up to 10 families per floor in shared units averaging 10-12 square meters. Daily life revolved around the mine's relentless rhythm, with shifts operating 24 hours to extract from depths exceeding 1,000 meters, exposing workers to risks like cave-ins, gas explosions, and from dust inhalation—conditions that claimed numerous lives despite safety measures. The island's self-contained included a primary and junior high school, , cinema, stores, and communal baths, enabling families to sustain routines amid isolation, though chronic led to cramped living, limited privacy, and reliance on for water and coal-generated power for electricity. Residents cultivated rooftop gardens for vegetables and fished offshore to supplement rations, fostering a tight-knit where children played on restricted rooftops and adults socialized in shared spaces, yet the ever-present threat of accidents underscored the precarious balance between prosperity and peril.

Economic Contributions to Japan's Industrialization

Hashima Island's production, initiated under ownership from 1890, played a pivotal role in supplying high-quality coking essential for Japan's steel industry during the Meiji era's rapid industrialization. This undersea operation, Japan's first major endeavor of its kind, yielded heavy coking superior to much of the nation's other deposits, directly supporting steelmaking at facilities like the Yawata Steel Works and enabling the expansion of heavy industries such as and machinery . By providing a reliable domestic source of , Hashima helped mitigate energy bottlenecks that could have hindered Japan's transition from agrarian to industrial economy, where served as the primary fuel for steam engines, factories, and emerging infrastructure projects. Annual output escalated steadily, reaching 100,000 to 200,000 tons between 1890 and 1914 amid Mitsubishi's infrastructure investments, then peaking at 411,100 tons in to wartime industrial demands that built upon earlier modernization gains. Over its operational lifespan until , the mine cumulatively produced approximately 16.5 million tons, contributing to national energy security during the Taishō and early periods when powered over 90% of Japan's and industrial processes before widespread adoption. This sustained yield not only generated revenue for —enhancing its influence—but also exemplified mining's broader economic multiplier effects, including job creation for thousands and technological spillovers in that bolstered productivity across Japan's coalfields. As a component of the UNESCO-recognized Sites of Japan's Meiji Industrial Revolution, Hashima underscores extraction's causal link to economic transformation, where domestic production rises from under 1 million tons in the to over 30 million tons by the supported the shift toward export-oriented and military capabilities. While exact shares of national output varied, Hashima's premium-grade disproportionately aided value-added sectors like , which grew from negligible pre-Meiji levels to producing millions of tons annually by the 1930s, thereby anchoring Japan's emergence as an industrial power independent of foreign resource dominance.

Abandonment and Preservation Efforts

Immediate Aftermath of Closure

Mitsubishi Materials Corporation announced the closure of Hashima Island's coal mine on January 15, 1974, citing the exhaustion of viable reserves and the broader national shift toward petroleum energy. The remaining , which had dwindled to approximately 600 residents amid prior workforce reductions and retraining programs, was systematically relocated to the mainland over the ensuing months. Company officials facilitated the process by providing transportation via ferries to and assistance in securing alternative employment or housing, reflecting Japan's structured approach to industrial transitions during the era. The final evacuation occurred on April 20, 1974, marking the complete depopulation of the island after 88 years of continuous habitation. Residents departed hastily in some cases, leaving behind personal effects, furniture, and communal infrastructure—including apartment blocks, shops, and administrative buildings—intact and unsecured, as the isolation of the site precluded immediate salvage operations. No significant looting or organized removal of assets followed, due to restricted access enforced by and the perilous sea conditions surrounding the uninhabited rock. In the immediate years post-abandonment, the exposed structures faced accelerated decay from the subtropical , pervasive salt spray, and frequent typhoons, which eroded facades and compromised structural integrity within months. began encroaching on previously barren courtyards, while wind-scattered like shattered and discarded papers accumulated, transforming the once-dense urban enclave into a nascent ruinscape. retained ownership but undertook no preservation efforts at the time, allowing natural forces to dominate the site's early post-closure phase.

Modern Conservation and Structural Challenges

Following its designation as a World Heritage site in 2015 as part of the Sites of Japan's Meiji , Hashima Island has confronted acute structural deterioration, exacerbated by over four decades of abandonment since 1974. The island's buildings, exposed to corrosive saltwater, high winds, seismic activity, and , exhibit widespread , cracking, and partial collapses; for instance, Building No. 70 (the former ) shows severe foundation and exceeds allowable bearing capacities in its piles, while general structures like the No. 30 apartment suffer from reinforcement classified as Class III, with compressive strengths as low as 11.6 N/mm² in some areas. -induced damage has accelerated risks, including pier destruction in October 2018 that halted landings and reduced visitor numbers in FY2018, coastal failures from Maysak in 2020, and partial beam collapse in the No. 30 apartment plus damage to 1937 coal conveyor pillars from Haishen in September 2020. Japan's government, through Nagasaki City and the , initiated a 30-year conservation strategy in 2014, divided into three 10-year phases, with Phase I (2014-2027) prioritizing stabilization of retaining walls, repairs to the Pit No. 3 room and mine entry landing, and non-destructive assessments using electromagnetic and core sampling across 34 sites. Comprehensive surveys since 2013 incorporate 3D laser scanning, archaeological excavations, and seismic diagnostics, informing a 10-year submitted to in 2018, alongside annual monitoring and predictions for prioritized repairs like Building No. 16. Restoration efforts include using non-shrink mortar for sampled areas and plans to restore remains, with scientific committees guiding techniques for wood, , and concrete preservation. Persistent challenges include the high costs of maintaining in their decayed state—deemed more expensive than and rebuilding—and ensuring structural without compromising historical authenticity, as has repeatedly requested detailed programmes to address the site's poor condition noted at inscription. Balancing , with restricted routes, fencing, and guide training conducted five times annually since FY2017, against natural threats remains complex, prompting innovations like drone-based monitoring, 3D digital modeling, and a new preservation base and under by fiscal year-end 2025 to support ongoing stabilization of crumbling . Despite these measures, irreversible deterioration in coastal exposures and seismic vulnerabilities in buildings like No. 3 (83% performance in one direction) underscore the need for adaptive, long-term interventions.

Current Status and Accessibility

Tourism Infrastructure and Visitor Experience

Access to Hashima Island is exclusively provided through organized boat tours departing from Port, with multiple operators such as Gunkanjima Landing & Cruise and Gunkanjima Concierge offering services. Tours typically last approximately three hours, including navigation to the island, which lies about 15 kilometers offshore, and either a or a brief landing for guided exploration. Landings, when permitted, allow visitors to disembark at the and traverse designated concrete paths covering roughly 1 kilometer, offering views of the abandoned concrete structures while avoiding hazardous areas. Visitor infrastructure remains minimal on the island itself, consisting primarily of the weathered pier for docking and roped-off walkways to ensure safe navigation amid deteriorating buildings and unstable terrain. Tours operate year-round, with daily departures at times such as 9:00 a.m. and 1:00 p.m., though schedules may vary seasonally from through March of the following year. Prices for landing tours were reported at around ¥5,000 per adult in recent years, plus a nominal boarding fee, with advance reservations required due to capacity limits and weather dependencies. Non-landing cruises provide closer views of the island's distinctive battleship-like silhouette but do not permit disembarkation. The visitor experience emphasizes historical immersion, with guides narrating the island's legacy, industrial peak, and abandonment in , often highlighting its World Heritage status since 2015. Participants describe the boat journey as providing dramatic vistas of the fortified coastline, while onshore time evokes a sense of eerie desolation amid the overgrown and preserved artifacts like rusted machinery. However, access has been available only since under strict controls, and tours frequently cancel if wind speeds exceed 5 meters per second or during inclement weather, limiting annual visitor numbers to manage preservation and safety. Visitors must sign liability waivers, wear sturdy footwear, and adhere to prohibitions on unauthorized approaches, enforced by national and municipal regulations to prevent structural risks from the island's decay.

Safety Measures and Regulatory Framework

Access to Hashima Island is strictly regulated by Japanese national and local laws to mitigate risks from structural decay and potential collapses of the unreinforced buildings abandoned since 1974. Unauthorized approaches or landings at the pier are prohibited, with enforcement tied to safety ordinances from City and Prefecture, ensuring that only licensed tour operators can facilitate visits. Visitors must participate exclusively in guided group tours, typically lasting about three hours with roughly one hour on the island, as mandated by government directives to prevent unsupervised exploration amid unstable terrain and crumbling infrastructure. Prior to boarding, participants sign a binding safety contract outlining rules such as remaining on designated pathways and observation decks, refraining from climbing structures, consuming alcohol, or smoking, and avoiding prohibited actions like using umbrellas or straying from guides. Operational safety measures include mandatory instructions from on-site safety guides during disembarkation on the narrow , provision of protective gear like helmets, and preparation advisories such as wearing comfortable, closed-toe shoes without high heels, bringing hydration, and addressing seasickness, given the absence of facilities like toilets on the . Landings are contingent on conditions, including speeds not exceeding 5 meters per second, to avoid hazardous sea swells, with cancellations enforced under pier usage regulations. As part of its 2015 World Heritage inscription within the Sites of Japan's Meiji Industrial Revolution, Hashima falls under a Japanese government-established partnership framework for conservation and management, which integrates safety protocols with structural monitoring to balance preservation and public access, though primary regulatory oversight remains with local authorities rather than directly.

Controversies and International Debates

World Heritage Site Inscription Process (2015)

The Japanese government formally submitted the dossier for the "Sites of Japan's Meiji Industrial Revolution: Iron and Steel, Shipbuilding and Coal Mining" to on January 29, 2014, including Hashima Island's coal mine and port facilities as one of 23 components exemplifying Japan's adoption of Western technologies for industrialization between the 1850s and 1910. The emphasized the sites' role in demonstrating criterion (ii)—interchange of influences leading to technological advancements—and criterion (iv)—outstanding examples of industrial ensembles from the proto-industrial period. The International Council on Monuments and Sites (ICOMOS) conducted an on-site evaluation mission from September 26 to October 5, 2014, assessing authenticity, integrity, and management plans across the properties. In its May 4, 2015, advisory report, ICOMOS recommended inscription, noting the sites' serial approach effectively illustrated 's modernization but urged enhancements to the interpretive framework to address the full historical trajectory, including wartime expansions and labor mobilization at locations like Hashima. This evaluation informed preparations for the World Heritage Committee's review, with revising its management plans in response. At the 39th session of the in , (June 28–July 8, 2015), delegates debated the nomination, particularly 's objections to the omission of detailed accounts of Korean forced laborers at Hashima during , where over 800 Koreans were reportedly mobilized under harsh conditions from 1939 onward. , through bilateral consultations with in June 2015, committed to installing interpretive panels at a dedicated Industrial Heritage Information Center in —opened in 2015—to present historical facts on labor practices, including wartime requisitions, without endorsing disputed characterizations of scale or coercion. On July 5, 2015, the inscribed the sites, stipulating that develop and implement by 2018 a comprehensive interpretive strategy to ensure visitors understand the properties' complete history, encompassing pre-Meiji experiments, Meiji innovations, and subsequent developments like Hashima's peak output of 410,000 tons of annually in 1941 amid labor shortages. The inscription decision highlighted protective measures, such as Hashima's barriers against and visitor limits to 200 per tour group, integrated into Japan's overall conservation framework under national laws. This process marked the first recognition of Japan's modern industrial heritage, though it embedded ongoing requirements for historical transparency to mitigate authenticity concerns tied to selective narratives in initial nominations.

Disputes Over Wartime Labor Portrayal

During the Japanese colonial period and , recruited approximately 800 to 1,000 Korean workers to Hashima Island's coal mines between 1939 and 1945, primarily through government-mandated mobilization under Japan's National Mobilization Law, to meet wartime production demands. These workers faced hazardous underground conditions, including cave-ins, toxic gas exposure, and inadequate safety measures, contributing to over 120 documented Korean deaths on the island, though total figures vary by source due to incomplete records. Japanese accounts emphasize that workers received wages equivalent to Japanese miners, albeit delayed or withheld in some cases, and were housed in the same concrete facilities, framing recruitment as a form of common across Allied and during , rather than chattel slavery. South Korean narratives, drawing from survivor testimonies and colonial-era documents, describe coercive recruitment via deception or abduction from rural areas, unpaid labor, by overseers, and segregation in inferior barracks, portraying Hashima as an "island of hell" emblematic of imperial exploitation. The core dispute intensified during the 2015 UNESCO World Heritage inscription of the "Sites of Japan's Meiji ," which included Hashima as a testament to 's modernization. initially submitted nominations omitting references to Korean labor, prompting South Korean objections and threats to block the bid; resolution came via a compromise where pledged to install interpretive materials at sites like Hashima acknowledging the mobilization of Korean workers under harsh wartime conditions. Post-inscription exhibits at Hashima's visitor center and related facilities have featured oral histories from former workers denying , which South Korea criticizes as selective and evasive, failing to convey the coercive nature of recruitment or systemic discrimination. In 2021, 's unanimously resolved to urge to enhance explanations of Korean workers' experiences, citing inadequate historical context in displays. Tensions persisted into 2023–2025, with repeatedly voicing regret over Japan's annual reports, which maintain that no verified evidence supports claims of forced labor at Hashima and prioritize bilateral dialogue over . A 2025 review effectively endorsed Japan's position by recommending direct Japan- talks rather than mandating revisions, amid South Korean accusations of unfulfilled 2015 pledges and Japanese assertions that Korean demands conflate legitimate wartime labor with fabricated atrocities to serve domestic politics. These exchanges highlight broader historiographical divides: empirical records confirm and fatalities but diverge on intent and voluntariness, with Japanese sources prioritizing archival payrolls and contracts, while Korean perspectives emphasize qualitative survivor accounts often amplified in media but contested for potential postwar embellishment.

Recent UNESCO and Bilateral Tensions (2023-2025)

In February 2025, South Korea's foreign ministry expressed regret over Japan's latest report to on the Sites of Japan's Meiji Industrial Revolution, claiming it failed to adequately reflect the historical context of forced labor by Korean workers at sites including Hashima Island, particularly by omitting victim testimonies and detailed accounts of harsh conditions. Japan's report, submitted as part of ongoing compliance monitoring, maintained that exhibits at the Industrial Heritage Information Center and guided tours on Hashima sufficiently address the wartime mobilization of approximately 800 Korean workers to the island between 1943 and 1945, describing their roles in under wartime labor policies applicable to Japanese workers as well. Tensions escalated at the session in July 2025, where proposed adding the Hashima issue to the official agenda for formal review of Japan's 2015 inscription commitments, which required presenting the "full history" of mobilized labor; the proposal received votes from only a minority of the 21 committee members and failed. The committee instead adopted a resolution acknowledging Japan's interpretive efforts while urging continued bilateral dialogue between and to resolve interpretive differences, effectively supporting Japan's position against unilateral agenda inclusion. These developments reflect persistent bilateral friction, with viewing Japan's portrayals as minimizing and abuse—evidenced by claims of over 800 Korean deaths from exhaustion and —while Japan contends that South Korean assertions often rely on unverified or exaggerated imagery, as challenged by former Hashima residents in published fact-checks. South Korean officials vowed to raise the matter repeatedly in future proceedings, potentially straining Japan- relations amid broader efforts at historical reconciliation. Earlier in September 2023, had positively evaluated Japan's exhibit improvements on mobilized workers, indicating partial compliance but highlighting ongoing interpretive disputes rooted in differing national narratives.

Representations in Culture

Depictions in Film, Literature, and Media

Hashima Island, resembling a from afar, has served as a visual for isolation, decay, and industrial ruin in various films. In the 2012 James Bond film , directed by , exterior footage of the uninhabited island depicted the remote hideout of villain , leveraging its concrete structures and sea walls to evoke a sense of foreboding abandonment. The 2017 South Korean action film (Gunkanjima), directed by and released on , portrayed approximately 400 Korean civilians conscripted to the island's coal mines in 1944, including a jazz band leader and his daughter, who orchestrate a dramatized uprising and escape amid Japanese oversight. The narrative, drawing on claims of wartime forced labor, has faced accusations of fabricating events for propagandistic effect, inflating victim numbers and omitting contextual nuances of labor recruitment. Lower-profile productions include the 2009 Japanese horror film Hashima Project, in which five teenagers visit the island to document alleged , only to encounter life-threatening perils amid the ruins. Artistic works like the 2009 experimental film Sayonara Hashima by Nina Fischer and Maroan el Sani explore the site's history through visual , focusing on its post-mining desolation. In visual media and photography, Hashima has inspired photobooks documenting its concrete skeletons as emblems of Japan's coal-era boom and bust. The 2012 volume Gunkanjima by French photographers Yves Marchand and Romain Meffre compiles images of the island's overgrown high-rises and eroded interiors, emphasizing entropy over narrative. Japanese publications, such as previously unpublished 1983 ruin photographs reissued in collections, similarly highlight the site's transformation into a de facto monument since its 1974 evacuation.

References

  1. https://www.japan.travel/en/spot/752/
  2. https://www.japansmeijiindustrialrevolution.com/en/site/nagasaki/component04.html
  3. https://www.discover-nagasaki.com/en/featured-topics/gunkanjima-landing-tour
  4. https://www.japan-guide.com/e/e4414.html
  5. https://whc.unesco.org/en/soc/4085/
  6. https://unesdoc.unesco.org/ark:/48223/pf0000384356
  7. https://www.tandfonline.com/doi/full/10.1080/10357823.2025.2525153?src=
  8. https://www.discover-nagasaki.com/en/sightseeing/51797
  9. https://www.japan.travel/en/japans-local-treasures/hashima-battleship-island/
  10. https://www.uwosh.edu/faculty_staff/earns/hashima.html
  11. https://japancheapo.com/place/hashima-island/
  12. https://www.nationalgeographic.com/science/article/japan-hashima-battleship-island-abandoned-ghost-town-one-strange-rock-science-spd
  13. https://www.atlasobscura.com/places/gunkanjima-island
  14. https://en.gunkanjima-excursion.com/history/
  15. https://www.theguardian.com/world/2015/jul/03/battleship-island-a-symbol-of-japans-progress-or-reminder-of-its-dark-history
  16. https://en.gunkanjima-excursion.com/history/initial.html
  17. https://www.cabinetmagazine.org/issues/7/burke-gaffney.php
  18. https://www.asahi.com/ajw/articles/15130043
  19. https://www.showcaves.com/english/jp/mines/Hashima.html
  20. https://www.mmc-carbide.com/eu/download/magazine/vol07/16242
  21. https://apjjf.org/2018/01/palmer
  22. https://www.gunkanjima-truth.com/l/en-US/article/Detailed-Chronological-Table-of-Hashima
  23. https://en.gunkanjima-excursion.com/history/peak.html
  24. https://www.gunkanjima-truth.com/l/en-US/article/Hashima-Coal-Mine-Supported-Japan%25E2%2580%2599s-Modernization
  25. https://www.academia.edu/123888187/Pursuing_sustainable_conservation_of_Hashima_Gunkanjima_Island_as_an_authentic_heritage_site
  26. https://www.jef.or.jp/journal/pdf/trends2_9007.pdf
  27. https://www.korea.net/NewsFocus/Society/view?articleId=196464&utm
  28. https://english.news.cn/20220815/e016f7ee9be444ef981259080a96dbdc/c.html
  29. https://en.gunkanjima-excursion.com/coalmine/
  30. https://ajges.springeropen.com/articles/10.1186/s40856-018-0035-8
  31. https://www.nippon.com/en/guide-to-japan/gu900294/
  32. https://eneken.ieej.or.jp/data/11795.pdf
  33. https://artsandculture.google.com/story/explore-the-abandoned-hashima-island/4gUheTCNtrIV7w?hl=en
  34. https://en.gunkanjima-excursion.com/
  35. https://nihonmono.jp/en/article/32282/
  36. https://australianminingreview.com.au/legacy/historical/ruins-of-an-island-coal-mine/
  37. https://www.japan-suki.com/en/visit/places/gunkanjima-hashima
  38. https://gensoken.toyo.ac.jp/japanese-society-and-culture/vol6/iss1/13/
  39. https://whc.unesco.org/en/list/1484/
  40. https://www.businessinsider.com/controversial-history-of-coal-production-on-hashima-island
  41. https://jigsaw-japan.com/2019/12/21/gunkanjima-an-abandoned-coal-mining-town-like-no-other/
  42. https://offbeatjapan.com/gunkanjima-hashima-battleship-island/
  43. https://gakuran.com/gunkanjima-ruins-of-a-forbidden-island/
  44. https://www.cas.go.jp/jp/sangyousekaiisan/seikaiisan_houkoku/pdf/191129/siryou_en00.pdf
  45. https://mainichi.jp/english/articles/20200910/p2a/00m/0na/018000c
  46. https://japan-walking.jp/english/topics-gunkanjima/
  47. https://www.gunkan-jima.net/en/
  48. https://travel.rakuten.com/contents/usa/en-us/guide/hashima-island/
  49. https://www.tripadvisor.com/Attraction_Review-g298568-d1384788-Reviews-Hashima_Island-Nagasaki_Nagasaki_Prefecture_Kyushu.html
  50. https://www.travelynotes.com/blog-japan/gunkanjima-a-captivating-cruise-to-an-abandoned-island-in-japan
  51. https://www.tripadvisor.com/Attraction_Review-g298568-d2405534-Reviews-Gunkanjima_Cruise_Hashima-Nagasaki_Nagasaki_Prefecture_Kyushu.html
  52. https://www.wamazing.com/media/article/a-999/
  53. https://www.japan-travel-note.com/posts/356
  54. https://japancheapo.com/travel/visit-gunkanjima-battleship-island/
  55. https://www.gunkanjima-concierge.com/pdf/portdocument_en.pdf
  56. https://www.yamasa-kaiun.net/en/pdf/tnvwvg.pdf
  57. https://www.gunkanjima-concierge.com/en/plan/img/caution_attention.pdf
  58. https://whc.unesco.org/en/decisions/6364/
  59. https://www.japansmeijiindustrialrevolution.com/en/history/
  60. https://whc.unesco.org/document/152778
  61. https://www.theguardian.com/world/2015/jul/06/japan-sites-get-world-heritage-status-after-forced-labour-acknowledgement
  62. https://www.mofa.go.jp/press/release/press2e_000009.html
  63. https://en.yna.co.kr/view/AEN20121004003800315
  64. https://japan-forward.com/unesco-backs-japans-position-on-hashima-coal-mine-dispute/
  65. https://www.korea.net/NewsFocus/Society/view?articleId=196464
  66. https://thediplomat.com/2020/06/remembering-japans-colonial-abuses-against-koreans-on-hashima-island/
  67. https://www.asahi.com/ajw/articles/14401656
  68. https://www.koreatimes.co.kr/foreignaffairs/20250201/korea-voices-regret-after-japans-unesco-report-again-fails-to-reflect-forced-labor
  69. https://www.korea.net/NewsFocus/policies/view?articleId=265763
  70. https://www.chosun.com/english/industry-en/2025/07/08/PVEBGR2E2FABHNCKRJZY6SMKE4/
  71. https://www.tandfonline.com/doi/full/10.1080/10357823.2025.2525153
  72. https://koreajoongangdaily.joins.com/news/2025-07-07/national/diplomacy/Korea-loses-Unesco-vote-to-add-Japans-Hashima-Island-to-World-Heritage-Committees-agenda/2347238
  73. https://www.koreaherald.com/article/10526315
  74. https://japan-forward.com/fake-images-false-claims-gunkanjima-natives-fact-check-south-korea-on-forced-labor/
  75. https://japannews.yomiuri.co.jp/society/general-news/20230915-136755/
  76. https://ryanmurdock.com/2016/06/gunkanjima/
  77. https://www.jamesbondlifestyle.com/product/hashima-island-japan
  78. https://www.tandfonline.com/doi/full/10.1080/14649373.2021.1962092
  79. https://www.sdh-fact.com/book-article/1608/
  80. https://www.fischerelsani.net/film/sayonara-hashima-2/
  81. https://m.imdb.com/search/title/?locations=Hashima%20Island%2C%20Nagasaki%2C%20Japan
  82. https://www.amazon.com/Yves-Marchand-Romain-Meffre-Gunkanjima/dp/3869305460
  83. https://journals.openedition.org/craup/4066
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