Jean-Pierre Houdin contends that the Great Pyramid of Giza was built partly by external ramps, and partly by an internal ramp. Does the available evidence support this theory? - Quora
![Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/78/590x/secondary/The-proposed-theory-on-how-the-Great-Pyramid-was-built-2569927.jpg?r=1594798582743)
Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk
![Amazon.com: The Secret of the Great Pyramid: How One Man's Obsession Led to the Solution of Ancient Egypt's Greatest Mystery eBook : Brier, Bob, Houdin, Jean-Pierre: Tienda Kindle Amazon.com: The Secret of the Great Pyramid: How One Man's Obsession Led to the Solution of Ancient Egypt's Greatest Mystery eBook : Brier, Bob, Houdin, Jean-Pierre: Tienda Kindle](https://images-na.ssl-images-amazon.com/images/I/41jFggiv5gL._SX342_SY445_QL70_ML2_.jpg)
Amazon.com: The Secret of the Great Pyramid: How One Man's Obsession Led to the Solution of Ancient Egypt's Greatest Mystery eBook : Brier, Bob, Houdin, Jean-Pierre: Tienda Kindle
![Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/78/750x445/1309701.jpg)
Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk
![Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk Egypt breakthrough: 'Incredible' find made INSIDE Great Pyramid after 4,500 years | World | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/78/590x/secondary/Jean-Pierre-Houdin-theory-sees-a-ramp-inside-the-Great-Pyramid-2569926.jpg?r=1594798582638)