Millau Sky Bridge

Richard uncovers why an ancient Celtic boat-building technique was crucial to the development of the tallest road bridge in the world.

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  • Originally Aired October 5, 2009
  • Runtime 50 minutes
  • Content Rating United States of America TV-G
  • Network National Geographic (UK)
  • Created November 22, 2020 by
    Administrator admin
  • Modified November 22, 2020 by
    Administrator admin