REGISTER A FREE ACCOUNT TO WATCH MOVIES IN HD

Video Sources 27 Views

  • Server 1Server 1
  • Server 2Server 2

Modern Marvels Season 7 Episode 6

Bridges.

From amazing ancient Roman aqueducts and arch bridges, romantic Renaissance spans, 19th-century railroad crossovers, to monumental marvels of our time, bridges played a key role in the human quest to connect and unify. We'll trace the history of bridge types, including suspension, arch, beam, truss, and cantilever designs.

Feb. 29, 2000