An architect has turned himself into an ‘obsessional genius’ after becoming a fanatical expert on Egypt’s Great Pyramids, determined to uncover the truth behind how the Ancient Egyptians built the iconic structures. Scientists have long wondered how the Egyptians placed the Great Pyramid’s 3 million stone blocks, which each weigh about 2.5 tons. Previous theories have suggested that the tomb of Pharaoh Cheops (Khufu), the last surviving example of the seven great wonders of antiquity, was built using either a vast frontal ramp or a ramp in a corkscrew shape around the exterior to haul up the stonework.
In Amazon Prime’s 2008 documentary “The Khufu Pyramid Revealed”, a French architect claims he may have discovered the ’most important discovery since Tutankhamen’ was found.
Architect Jean-Pierre Houdin claims: “The pyramid could have been built from the inside with the help of a circular tunnel.”
According to his theory the builders put up an outer ramp for the first 140 feet (40 meters), then constructed an inner ramp in a corkscrew shape to complete the 450-foot-high (137-meter-high) structure.
Mr Houdin said: “This is better than the other theories, because it is the only theory that works.”

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To prove his case, Houdin teamed up with a French company that builds 3D models for auto and airplane design, Dassault Systemes, which put 14 engineers for 2 years on the project.
An international team was assembled to probe the pyramid using radars and heat detecting cameras supplied by a French defense firm.
“This goes against both main existing theories. I’ve been teaching them myself for 20 years but deep down I know they’re wrong,” Egyptologist Bob Brier told Reuters.
“Houdin’s vision is credible, but right now this is just a theory. Everybody thinks it has got to be taken seriously,” said Brier, a senior research fellow at Long Island University.