Ancient Egyptians may have relied on a vertical shaft that could be filled with water, along with a network of water channels and filtration structures, to build the Step Pyramid of Djoser 4500 years ago Ancient Egyptians may have relied on a vertical shaft that could be filled with water, along with a network of water channels and filtration structures, to build the Step Pyramid of Djoser 4500 years ago New Scientist – News
Egyptian pyramid may have been built using a water-powered elevator
