A map of pyramid casing stones proves how it was constructed.

It’s the most popular question in ancient history: how were the large pyramids of Egypt built? Many concepts have been suggested for thousands of years, all the way back to Herodotus in Ancient Greece. But while there are many ways the pyramid could have been built, the actual method is the one everybody wants to find.

Proposed solutions cite indirect evidence, combined with thought exercises that range from reasonable to hilariously impractical. There is virtually zero consensus on how to approach the problem, or even define the parameters of what was possible.

The goal of this video is to use direct evidence from the pyramid of Khafre to get us closer to the actual solution. The pattern is laid out for everyone to see - and anyone approaching the building question seriously needs to address the evidence presented here.

Thank you to everyone for their kind support. Become a Channel Member (the Join button) for the price of a cup of coffee, and help me continue the work. Or, just leave a great pun in the comments and rock on.

Thanks to Armend Kabashi for the Khafre photos which inspired the journey.

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Animations of pyramid builders from the works of Jean-Pierre Houdin:
   • The Khufu Pyramid Revealed  
   • Khufu Reborn -  Dassault Systemes (Do...  

Still frame of pyramid inset ramp from here:
   • Egypt's Great Pyramid: How it was Con...  

Drone footage clips:
   • Sébastien Léger live at the Great Pyr...  

0:00 Intro
1:58 Two Key Observations
3:09 New Casing Survey
4:13 Mission Parameters
5:35 Taking Photographs
7:19 Surveying Blocks
8:10 Scaffold Gaps?
8:39 Bonding Stone Design
11:09 Built for Efficiency
12:33 The Building Pattern
13:35 Obsolete Building Models
14:55 Construction Sequence
16:51 Next Casing Study
17:35 Collaboration