Add Yahoo as a preferred source to see more of our stories on Google. A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift.
History-Computer on MSN
The world’s oldest pyramid is hiding 4,700 years of secrets
Nearly 4,700 years ago, ancient Egyptian builders created something the world had never seen: a monumental stone pyramid ...
See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The pyramids may have been built using a sophisticated hydraulic system ...
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