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Episode 1
Fri, Dec 1, 201752 mins
Egyptian pyramids, cathedrals, the Eiffel Tower, skyscrapers and now mega skyscrapers. These were the reigning champions for the tallest buildings of there times. And each came about from a unique set of circumstances. But successful contraction also depended on new materials, contraction techniques, Measurement innovations and inventions such as the elevator.





