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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.
How to Grow a Planet
How to Grow a Planet

   2012    Science
D-Day
D-Day

   2013    History
Earth, the Power of the Planet
Earth, the Power of the Planet

   2007    Nature
Conquistadors
Conquistadors

   2002    History
Planet Earth
Planet Earth

   2007    Nature
Ice Age Giants
Ice Age Giants

   2013    Science
Nova Wonders
Nova Wonders

   2018    Science
Bronze Age
Bronze Age

   2016    History