Daily Mail News US – Science
By JONATHAN CHADWICK FOR MAILONLINE
PUBLISHED: 08:50 EDT, 30 July 2024 | UPDATED: 10:07 EDT, 30 July 2024
It has long been a subject of debate – how exactly were Egypt’s great pyramids built by the civilized world’s first engineers?
A popular theory suggests they used a system of ropes and sledges to haul stones to the top as the pyramid was built from the ground up, layer by layer.
But a new study suggests that the oldest pyramid in Egypt, the Pyramid of Djoser, was built 4,700 years ago using an even more ingenious ‘hydraulic lift’.