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Unlocking the Great Pyramid

   2008    History
When ancient architects completed construction on the Great Pyramid at Giza, they left behind the greatest riddle of the engineering world—how did builders lift limestone blocks weighing an average of two and a half tons 480 feet up onto the top of the Pyramid? For centuries, adventurers and Egyptologists have crawled through every passageway and chamber of the Pyramid, measuring and collecting data in an attempt to determine how it was built. For the first time, a revolutionary theory argues that the answer may be inside the Pyramid. Architect Jean-Pierre Houdin and Egyptologist Bob Brier use 3-D software to unlock the secret.
Nature Great Events
Nature Great Events

   2009    Nature
Kingdom of Plants
Kingdom of Plants

   2012    Nature
Myths and Heroes
Myths and Heroes

   2005    History
Tales by Light Season 2
Tales by Light Season 2

   2017    Nature
P.U.L.S.E
P.U.L.S.E

   2006    Art
Wild South America
Wild South America

   2005    Nature
A Traveler Guide to the Planets
A Traveler Guide to the Planets

   2010    Science