Mortarless interlocking trapezoidal doorways found beside mortar-bonded Inca walls

Archaeological siteUndated
Puma Orqo - Ancient Civilization Older Than We Think?
Source: Puma Orqo - Ancient Civilization Older Than We Think? by Earth Explorer

Site mentioned

📄 Puka Urqu, Ayacucho🗺️ More sites in Peru🌍 Show on the globe

Puma Orqo also has megalithic doorways, including a trapezoid-shaped opening built from large interlocking blocks fitted without mortar. The doorways survive while surrounding walls are gone, and the presenter argues the interlocking technique is exactly why. He compares them to ancient Egyptian doorways and says the Inca did not build them — nearby Inca walls use mortar, while the megalithic blocks have no gap for a blade. Also documented: round boulders, a water channel cut through rock, a long squared pillar above a doorway, and piles of displaced precision-cut blocks. 🧱

Key facts

  • At Puma Orqo the presenter documents megalithic doorways, including a trapezoid-shaped opening, built from large interlocking blocks fitted without mortar.
  • He notes that the doorways survive while the surrounding walls have been lost, and argues the interlocking technique is why the doorways withstood centuries while walls did not.
  • He compares the interlocking construction of these doorways with that of ancient Egyptian doorways and states the Inca did not build them.
  • Adjoining Inca-built walls use mortar, while the neighbouring megalithic blocks have no mortar and no gap into which a blade could be slipped.
  • Round megalithic boulders, a water channel cut through the rock, a long squared pillar that appears to have sat above a doorway, and piles of displaced precision-cut blocks were documented.
  • A second megalithic doorway was recorded further along the site, and the presenter concludes the Inca later linked the megalithic doors together with their own walls.

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Sources

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