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Close-up of the Pyramidion of Amenemhat III at Dahshur. Egyptian Museum, Cairo

A pyramidion (plural: pyramidia) is the capstone of an Egyptian pyramid or the upper section of an obelisk.[1] Speakers of the Ancient Egyptian language referred to pyramidia as benbenet[2] and associated the pyramid as a whole with the sacred benben stone.[3]

Pyramidia were usually made of limestone, sandstone, basalt or granite,[4][5] and were sometimes covered with plates of copper,[6] gold or electrum.[3][7] From the Middle Kingdom onward, they were often "inscribed with royal titles and religious symbols".[3]

Notable pyramidia

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See also: List of Egyptian pyramidia
The four pyramidia at the Egyptian Museum, Cairo

Egyptian Museum

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Four pyramidia are housed in the main hall of the Egyptian Museum in Cairo:

Red Pyramid

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The restored pyramidion of the Red Pyramid at Dashur, on display beside the pyramid

A badly damaged white Tura limestone pyramidion, thought to have been made for the Red Pyramid of Sneferu at Dahshur, has been reconstructed and is on open-air display beside that pyramid; it presents a minor mystery, however, as its angle of inclination is steeper than that of the edifice it was apparently built to surmount.

Washington Monument

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Erected in 1876 in Washington D.C., the Washington Monument holds an inscribed pyramidion of aluminum.

Private brick pyramids with pyramidia

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During the New Kingdom, some private underground tombs were marked on the surface by small brick pyramids that terminated in pyramidia. The four lateral sides included texts and scenes related to the cult of the Sun God (as the representation of Pharaoh).

The scenes typically depict the course of the sun, rising on one lateral face, setting on the opposite face, and traveling, through the night, through the underworld, ruled by Osiris.

Scribe Mose pyramidion

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Y4F31S29
Scribe Moses//Mes, S
in hieroglyphs
Era: New Kingdom
(1550–1069 BC)

The pyramidion of Mose (mes, New Kingdom, 19th Dynasty, c. 1250 BC, limestone, 53 cm tall) depicts himself making an offering, with his name on two opposite faces. The adjacent opposite faces feature a baboon: "Screeching upon the rising of the Sun, and the Day". (The baboon is also the god-scribe representation of the Scribe, for the god Thoth.)[10]

Ptahemwia pyramidion

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The pyramidion of Ptahemwia (19th Dynasty, Ramesside Period, c. 1200 BC, limestone, 28 cm wide, 42 cm tall) likewise displays sun-related scenes.[8]: 252  The Sun God, Re-Horakhti, and the god of the Underworld, Osiris, are shown on one lateral face.

Facing the two gods, on the adjacent lateral face, is the deceased Ptahemwia, standing in an offering pose, facing three columns of hieroglyphs.[8]: 252 

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References

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Pyramidion

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A pyramidion (plural: pyramidia), known in ancient Egyptian as benbenet, is the capstone or uppermost section of a pyramid or obelisk, typically crafted as a small-scale pyramid that mirrors the proportions and angle of the main structure.[1][2] These capstones, often made from durable materials such as Tura limestone, granite, or diorite, were placed at the apex during a ceremonial completion of the monument, symbolizing the sun god Re and the pharaoh's divine ascent to the heavens.[1][3] In pyramid architecture, pyramidia crowned true pyramids of the Old and Middle Kingdoms, distinguishing them from step pyramids, while on obelisks, they enhanced solar symbolism by being coated in gold, electrum, or electrum to reflect sunlight.[2][4] Notable surviving examples include the black granite pyramidion of Amenemhet III from Dahshur, inscribed with solar hymns and now in the Egyptian Museum in Cairo, and the reconstructed limestone capstone from Sneferu's Red Pyramid, measuring about 0.75 meters high.[1][2] Symbolically linked to the primordial benben stone of creation in Heliopolis, pyramidia embodied rebirth, perfection, and the pharaoh's eternal union with the divine, often installed amid festivals that celebrated the monument's sanctity.[1][3]

Definition and Characteristics

Etymology and Terminology

The term pyramidion (plural: pyramidia) originates from New Latin, formed as a diminutive of the Latin pyramid-, itself derived from the ancient Greek pyramis (πυραμίς), meaning "pyramid."[5] This suffix -ion denotes a smaller or apical form, aptly describing the capstone or uppermost section of a pyramid or obelisk, distinguishing it from the full structure of a pyramid, which refers to the entire monumental edifice.[5] In the context of Egyptology, pyramidion entered English-language scholarship during the 19th century as Western archaeologists and scholars began systematically studying ancient Egyptian architecture, providing a precise nomenclature for the pyramid's apex beyond general terms like "capstone." Ancient Egyptians referred to the pyramidion using the term benbenet, linked to the sacred benben stone—a primordial symbol of creation housed in Heliopolis and represented in hieroglyphic inscriptions as the apex of solar and regenerative motifs.[6] Hieroglyphic references to the pyramid's apex, often depicted with rays or divine symbols, underscore this terminology, emphasizing its cosmological significance rather than mere architectural function.[4]

Physical Features and Design

A pyramidion is typically shaped as a small pyramid that mirrors the slope angle and proportions of the main structure it crowns. It was crafted from durable stones such as fine Tura limestone, granite, basalt, or diorite, and frequently covered with gold, electrum, or copper plating to reflect sunlight and enhance its solar symbolism.[1] Sizes varied depending on the pyramid, with surviving examples ranging from about 47 cm to 1.4 m in height.[1][6] Many pyramidia, especially from the Middle Kingdom onward, feature hieroglyphic inscriptions including royal titles, offerings to deities, or solar hymns, often carved on all four faces.[1]

Historical Development

Origins in Ancient Egypt

The pyramidion, a small pyramid-shaped capstone, emerged as an integral element of ancient Egyptian pyramid architecture during the transition from mastaba tombs to more complex structures in the late Predynastic and Early Dynastic periods. Mastabas, flat-roofed rectangular tombs with sloping sides, served as the primary royal burial form from the 1st Dynasty onward, evolving gradually through layered constructions that increased in height and complexity. This progression culminated in the 3rd Dynasty (c. 2686–2613 BCE) with the Step Pyramid of Djoser at Saqqara, designed by Imhotep, which stacked six mastabas to form a terraced structure approximately 62 meters tall, marking the first large-scale stone pyramid and laying the groundwork for true pyramidal forms. Although Djoser's pyramid lacked a preserved capstone, its design foreshadowed the addition of pyramidia to unify the apex and symbolize completion.[7] The true pyramidion first appeared in the 4th Dynasty (c. 2613–2494 BCE), coinciding with the shift to smooth-sided pyramids under pharaohs like Sneferu and Khufu. Sneferu, the dynasty's founder, constructed the earliest known true pyramids at Meidum and Dahshur, including the Red Pyramid (c. 2575 BCE), where archaeological evidence reveals a limestone pyramidion, about 0.75 meters high, placed at the apex to cap the structure and match its slope angle of approximately 43 degrees. This capstone symbolized the benben stone, the primordial mound of creation from Heliopolitan mythology, representing the sun god Ra's emergence and the pharaoh's ascent to the divine realm. By Khufu's reign (c. 2589–2566 BCE), pyramidia became more refined, as seen in the Tura limestone capstone from his satellite pyramid at Giza, featuring a convex base for secure fitting and a slope of 51°45', demonstrating advanced precision in design and execution. Pyramidia were typically crafted from fine limestone or granite, often gilded to reflect sunlight, enhancing their role as solar beacons in the architectural ensemble.[8][9] Throughout the Old Kingdom (c. 2686–2181 BCE), pyramidia remained standard on royal and elite pyramids, with textual and archaeological evidence indicating their continued use in the 5th and 6th Dynasties, often inscribed with solar invocations. Usage persisted into the Middle Kingdom (c. 2055–1650 BCE), where smaller pyramids like those of Amenemhat III at Dahshur featured inscribed granite pyramidia, but large-scale royal pyramid construction began to wane due to economic strains and shifting religious emphases toward rock-cut tombs. By the end of the Middle Kingdom and into the Second Intermediate Period (c. 1650–1550 BCE), pyramidia largely disappeared from major royal monuments as pharaohs favored hidden Valley of the Kings tombs. A modest revival occurred in the New Kingdom (c. 1550–1070 BCE), where pyramidia capped small mudbrick pyramids over private elite tombs, such as the limestone example of Amenhotep (Huy) from Saqqara, reflecting continued symbolic ties to solar rebirth amid non-royal funerary practices.[2][6]

Use in Other Ancient Cultures

While direct use of the pyramidion capstone was largely confined to Egyptian architecture, its conceptual influence—symbolizing a pointed culmination of sacred structures—appeared in adapted forms in other ancient cultures. In Mesopotamia, ziggurats served as monumental temple platforms with stepped profiles that evoked a pyramidal ascent to the divine, though they featured flat summits for shrines rather than pointed capstones. The Great Ziggurat at Ur, constructed around 2100 BCE during the Third Dynasty of Ur, exemplifies this design, rising in tiers to support a temple dedicated to the moon god Nanna at its apex. These structures, built from mud bricks, functioned as artificial mountains linking earth and heaven, predating and possibly inspiring Egyptian step pyramids, but without the benben-like capstone.[10] The Kushite kingdoms of Nubia in present-day Sudan adopted pyramid construction for royal tombs, influenced by Egyptian models but with distinct modifications, from approximately 800 BCE to 350 CE. Over 250 such pyramids were erected at sites like El-Kurru, Nuri, and Meroë, featuring steeper angles (typically 65°–73°) and smaller dimensions than Egyptian examples, often with attached chapels for offerings. While early Napatan-period pyramids (c. 750–300 BCE) occasionally included inscribed capstones resembling pyramidia, most later Meroitic examples (c. 300 BCE–350 CE) lacked this feature, opting for truncated tops or simple flat summits, reflecting a localized reinterpretation of the form for funerary purposes.[11][12][13] In the Greco-Roman world, pyramidions appeared on obelisks during the Ptolemaic period (305–30 BCE), a Hellenistic dynasty ruling Egypt that preserved and adapted pharaonic traditions. Notable examples include the paired obelisks at Philae temple, erected by Ptolemy II Philadelphus (r. 283–246 BCE), topped with traditional pyramidia often sheathed in electrum to capture sunlight, symbolizing solar divinity. These blended Greek patronage inscriptions with Egyptian iconography. Farther afield, Etruscan tumuli in central Italy (c. 7th–3rd centuries BCE), such as those at Cerveteri and Tarquinia, formed earthen mounds over rock-cut tombs, occasionally evoking pyramidal profiles through their conical or terraced shapes, though no confirmed pyramidion capstones survive, suggesting indirect cultural echoes rather than direct adoption.[14][15]

Materials and Production

Common Materials

The pyramidion, as the capstone of ancient Egyptian pyramids, was predominantly crafted from fine white Tura limestone during the Old Kingdom, selected for its durability, ease of polishing, and ability to reflect sunlight when smoothed to a high sheen.[2] This material, quarried near Cairo, was used for examples such as the uninscribed pyramidion from Sneferu's Red Pyramid at Dahshur (Fourth Dynasty), which measured approximately 0.75 meters in height.[2] Polishing enhanced its aesthetic and symbolic role, evoking the benben stone associated with creation and solar divinity.[2] For elite royal pyramids, variations included gilding the limestone or hard stone capstones with electrum—an alloy of gold and silver—or pure gold leaf to amplify reflectivity and signify divine status, particularly evident in the Fifth and Sixth Dynasties.[2] Holes drilled in surviving pyramidions from Saqqara, such as that from the Teti complex (Sixth Dynasty), indicate attachments for electrum plating.[2] Harder stones like granite or basalt were also employed for capstones in some cases, providing greater weight and permanence.[16] In the Middle Kingdom, black granite emerged as a favored material for pyramidia, valued for its density and symbolic connotation of enduring strength, as seen in the 1.10-meter-high capstone (with a 1.85-meter base) from Amenemhat III's pyramid at Dahshur.[2] Later periods, especially for non-royal or private tombs, shifted toward more accessible and cost-effective options like sandstone due to resource constraints and local availability.[17] A notable example is the 19th Dynasty sandstone pyramidion (EA 479) from Deir el-Medina, measuring 40 cm in height, which topped a private tomb structure.[17] Mudbrick superstructures on smaller private pyramids occasionally incorporated stone pyramidia, but sandstone predominated for the capstone itself in these contexts.[17]

Construction Methods

The construction of pyramidia began with quarrying high-quality stone, primarily fine-grained limestone from the Tura quarries near Cairo, which was prized for its suitability for detailed carving and polishing. Workers extracted blocks using wooden wedges soaked in water to split the stone along natural fissures, followed by rough shaping on-site with copper tools. These blocks were then transported to the pyramid site via sledges pulled by teams of laborers over wetted sand paths to reduce friction, or floated on the Nile during flood seasons using barges, a method evidenced in depictions from the tomb of Djehutihotep at El-Bersheh. Shaping the pyramidion involved skilled artisans progressively refining the block into a diminutive pyramid form, typically 1-2 meters tall, with four triangular faces converging at an apex. This process employed copper chisels for initial cutting, followed by harder dolerite pounders and quartzite abrasives to achieve precise angles and smooth surfaces, as detailed in experimental recreations by Egyptologists. Polishing was accomplished by rubbing the stone with finer abrasives and water, often to a near-mirror finish, while hieroglyphic inscriptions—such as spells from the Pyramid Texts—were incised using copper tools and inlays of electrum or gold added for luminescence, typically before final placement to allow for corrections. Installation at the pyramid's apex required coordinated engineering, with the pyramidion hoisted using earthen ramps, levers, and counterweight systems similar to those employed in pyramid core construction. Once elevated, it was aligned precisely with the underlying casing stones and secured using gypsum mortar or by dovetail joints, ensuring stability against weathering; archaeological evidence from the Red Pyramid at Dahshur shows remnants of such mortar binding. This final step often coincided with the pyramid's completion ceremonies, symbolizing the structure's activation.

Symbolism and Purpose

Religious and Cultural Significance

In ancient Egyptian cosmology, the pyramidion served as a symbolic representation of the benben stone, the primordial mound that emerged from the chaotic waters of Nun at the dawn of creation according to Heliopolitan mythology. This mound was revered as the site where the sun god Ra (or Atum-Ra) first manifested, initiating the ordered world and linking the pyramidion to solar worship and the cycle of renewal.[18] Positioned at the pyramid's apex, the pyramidion evoked this sacred origin, embodying the pharaoh's aspiration to ascend to the heavens and join the solar deity in eternal rebirth.[9] Many surviving pyramidia bear hieroglyphic inscriptions consisting of offering formulas, such as the hetep-di-nesu, which invoked divine provisions for the pharaoh's ka—the vital spirit essential for sustenance in the afterlife.[17] These texts often addressed Ra-Horakhty or other solar and funerary deities like Isis and Nephthys, beseeching protection and resurrection for the deceased ruler's eternal existence.[17] The pyramidion's alignment with solar paths further reinforced this symbolism, mirroring the benben's role in receiving the sun's first rays and signifying the pharaoh's triumphant revival akin to the daily rebirth of Ra.[9]

Functional and Protective Roles

The pyramidion functioned primarily as a structural capstone, completing the pyramid's form and sealing its apex to shield the underlying core masonry from wind, rain, and erosion. By crowning the pyramid, it prevented the penetration of moisture into the stone blocks, thereby preserving the monument's integrity over time. This role was essential in the arid yet occasionally harsh Egyptian climate, where unprotected summits could degrade rapidly.[19] In addition to its structural purpose, the pyramidion held apotropaic significance, warding off malevolent forces and ensuring the pharaoh's eternal security in the afterlife. Many pyramidia were sheathed in electrum—a gold-silver alloy—to reflect sunlight, symbolizing the rays of the sun god Ra and repelling evil spirits or chaotic influences through divine radiance. Inscriptions on surviving examples, such as that of Amenemhat III, invoked solar deities like Harakhte, stating, "The face of king Amenemhat III is opened, that he may behold the Lord of the Horizon when he sails across the sky," thereby activating protective spells akin to those in the Pyramid Texts. These texts further describe the pyramidion as a safeguard, with utterances like "O Atum, put thou thy arms behind king Mernere, behind this building, and behind this pyramid, as a ka-arm," enveloping the structure and its occupant in godly embrace against decay and Osirian threats.[20][19][21] The placement of the pyramidion involved elaborate rituals to imbue it with protective potency, often culminating in processions and offerings to the gods. Reliefs from the Fifth Dynasty, such as those associated with King Isesi, depict the pharaoh leading the capstone to the pyramid site, accompanied by an inscription reading "Following the pyramidion to the pyramid of Isesi," indicating a ceremonial transport to integrate it with the monument's sacred energies. These rites, performed by priests, included libations and incantations to consecrate the capstone, transforming it into an active ward for the pharaoh's ka (spirit) against underworld perils.[1][21]

Notable Examples

Surviving Egyptian Pyramidia

One of the most notable surviving pyramidia from ancient Egypt is the capstone from the Black Pyramid of Amenemhat III, dating to the Middle Kingdom's 12th Dynasty around 1850 BCE. Crafted from polished black basalt, this pyramidion measures approximately 1.4 meters in height and features intricate carvings on its surfaces. The east face displays a winged sun disk flanked by uraeus cobras and protective eyes, while the other three sides bear hieroglyphic inscriptions of solar hymns invoking the sun god Ra, emphasizing the pharaoh's eternal renewal and divine protection. Discovered in 1900 amid the ruins at Dahshur, it now resides in the Egyptian Museum in Cairo, representing a rare intact royal example that highlights the religious symbolism of the pyramid's apex.[22] Fragments of a pyramidion associated with the Red Pyramid of Sneferu, built in the 26th century BCE during the Old Kingdom's 4th Dynasty, provide evidence of early capstone construction. Excavated in 1982 near the pyramid at Dahshur by archaeologist Rainer Stadelmann, these pieces were made of fine white Tura limestone and originally formed an uninscribed, undecorated capstone estimated at 0.75 meters tall. The remnants, found scattered among debris on the east side, were reconstructed and suggest the pyramidion's role in completing the structure's smooth casing, though no decorative elements survive to indicate specific iconography. This artifact, the oldest known pyramidion from an Old Kingdom pyramid, is displayed on a stand adjacent to the Red Pyramid at the site, underscoring Sneferu's innovations in pyramid architecture.[1] Among private pyramidia, the limestone capstone of the scribe Ramose from the New Kingdom's 19th Dynasty (circa 1292–1189 BCE) exemplifies non-royal adaptations. Recovered from the top of his tomb (TT7) at Deir el-Medina in West Thebes, this pyramidion features relief scenes on all four sides depicting Ramose worshiping the sun god and offering to solar deities, accompanied by hieroglyphs listing his titles as "Necropolis Scribe." These personal inscriptions reflect the deceased's professional status and aspirations for afterlife veneration, a common motif in elite tombs of the period. Housed in the Egyptian Museum in Turin (Cat. 1603), it illustrates how pyramidia scaled down for officials maintained symbolic ties to royal traditions.[23] Another significant private example is the pyramidion of Ptahemwia, an official from the late 18th Dynasty (circa 1325 BCE), from Saqqara. Made of limestone and measuring 42 cm tall, this capstone depicts Ptahemwia adoring gods such as Anubis in jackal form and other deities, with inscriptions detailing his titles like "Overseer of the Treasury" and dedications invoking divine protection. Unearthed from his tomb in 1860, it emphasizes the personalization of pyramidia for high-ranking individuals in the New Kingdom, blending religious devotion with status affirmation. The artifact is currently held in the Rijksmuseum van Oudheden in Leiden.[24]

Modern and Replica Pyramidia

The Washington Monument, completed in 1884, features a distinctive aluminum pyramidion as its capstone, marking a significant modern adaptation of ancient Egyptian design elements. Installed on December 6, 1884, this 8.9-inch-tall, 100-ounce pyramid, composed of 97.75% aluminum with traces of iron and silicon, was cast by William Frishmuth and chosen for its superior conductivity, lightweight durability, and non-corrosive properties compared to alternatives like copper or bronze.[25] Serving dual purposes as a capstone and initial lightning rod, it was inscribed with key dates and names from the monument's construction, including "Laus Deo" ("Praise be to God") on its east face, oriented toward the rising sun to evoke themes of enlightenment and divine inspiration.[26] At the time, aluminum's rarity—costing about $1 per ounce, equivalent to silver—positioned it as a symbol of American technological progress and industrial innovation, later hailed as the "crown jewel" of the aluminum industry.[27] In contemporary architecture, the Luxor Hotel in Las Vegas exemplifies a large-scale replica pyramid incorporating an illuminated pyramidion for dramatic effect. Opened on October 15, 1993, the 30-story black glass pyramid, standing 350 feet tall, draws inspiration from ancient Egyptian forms while integrating modern lighting technology at its apex.[28] The pyramidion consists of 39 xenon lamps (each 7,000 watts) focused by curved mirrors to produce the world's most powerful man-made beam, originally visible up to 275 miles away and now moderated for aviation safety.[29] This illumination not only enhances the structure's aesthetic allure as a landmark but also references the symbolic radiance of ancient pyramidia, transforming the tip into a beacon visible from aircraft.[30] Recent restoration efforts at the Giza pyramids have employed 3D scanning to create accurate digital replicas, aiding in the reconstruction of lost elements like the original pyramidia. The Harvard University's Digital Giza project, ongoing since the early 2000s, uses laser scanning and photogrammetry to generate high-fidelity 3D models of the pyramids, including visualizations of the capstones based on archaeological evidence to address erosion and historical losses.[31] Similarly, the 2024 3D laser scanning survey by Aarhus University's Urban Network Analysis project documents the Great Pyramid's exterior and building site with millimeter precision, facilitating virtual replicas that inform potential physical restorations of upper structures.[32] These initiatives prioritize non-invasive techniques to preserve the site's integrity while enabling scholarly and public understanding of the pyramids' complete ancient form.[33]

References

  1. Pyramidions in Egypt - Tour Egypt
  2. [PDF] The Treasures of the Pyramids - Harvard University
  3. How was the pyramidion put on top of the pyramid of Khufu?
  4. Egyptian Obelisks and Their Afterlife in Ancient Rome - Getty Iris
  5. PYRAMIDION Definition & Meaning - Merriam-Webster
  6. Pyramidiocy - Part Three: The Book of Thoth - Historical Blindness
  7. Pyramidion of Amenhotep (Huy) - Egypt Museum
  8. [PDF] THE ARCHITECTURE OF ANCIENT EGYPT
  9. [PDF] The Treasures of the Pyramids - Harvard University
  10. Egypt in the Old Kingdom (ca. 2649–2130 B.C.)
  11. Ziggurats and Temples in Ancient Mesopotamia - History on the Net
  12. (PDF) Pyramids, Nubian - Academia.edu
  13. [PDF] NO. 188 - Institute for the Study of Ancient Cultures
  14. The Nubian kingdom of Kush, rival to Egypt | National Geographic
  15. Obelisks in the Egyptian Museum
  16. Etruscan Architecture - World History Encyclopedia
  17. Probing Question: How were the Egyptian pyramids built? - Penn State
  18. pyramidion - British Museum
  19. Lecture 6 - Ancient Egypt c
  20. The Pyramids of Meroë: Nubia's Forgotten Marvels - The Archaeologist
  21. Ancient Nubia and the Kingdom of Kush, an introduction (article)
  22. What did the ancient Egyptian pyramids look like when they were ...
  23. News From The Pyramids - Official Website of Dr. Zahi Hawass
  24. Development of Religion and Thought in Ancient Egypt - Sacred Texts
  25. Pyramidion of the pyramid of Amenemhat III - Egyptian Museum Cairo
  26. Pyramidion of Ramose - Egypt Museum
  27. Pyramidion of Ptahemwia - unknown — Google Arts & Culture
  28. The Point of the Matter (U.S. National Park Service)
  29. A History of the Aluminum Cap of the Washington Monument
  30. Washington Monument Lightning Rod - Atlas Obscura
  31. Luxor Pyramid and Sphinx, Las Vegas, Nevada - Roadside America
  32. The Luxor Sky Beam Still Shines in Las Vegas
  33. Las Vegas Pyramid Resort Unveiled : Hotels: The 30-story, $375 ...
  34. Pyramids virtual tour - Digital Giza - Harvard University
  35. New project: 3D Laser Scanning Survey of the Great Pyramid ...
  36. High-accuracy 3D modeling inside the Great Pyramid - Pix4D
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