Scientists finally solve mystery of how Egypt's pyramids were built

It has long been a subject of debate - how exactly were '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'.

Load More