Search Results: "hadrian pantheon"

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• 02:57

  The Largest Concrete Dome Ever Built

  547 views / 1 likes - added 7 years ago

  ROME'S BURIED SECRETS http://www.sciencechannel.com/ The Pantheon in Rome, Italy, was completed by emperor Hadrian around 126 AD. The dome alone weighs 4,535 metric tons. Watch full episodes: http://www.sciencechannelgo.com Subscribe to Science Channel: h

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