This is the Innovation that Changed Bridges Forever HD

Engineer Gustave Eiffel completely revolutionized bridges when he proposed an arch that sat underneath the bridge deck. The design was later a key part of his most famous creation, the Eiffel Tower. #ImpossibleEngineering Wednesdays 9/8 on Science http://www.sciencechannel.com/tv-shows/impossible-engineering/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Download the TestTube app: http://testu.be/1ndmmMq