Modern Marvels
Bread
TV-PG
S15 • E9 Mar 24, 2008 44m7.9
One of man's greatest accomplishments: dams, are explored. The history of dams from construction to demolition as well as their impact on the environment. Construction of embankment dams and larger Hydroelectric dams such as Three Gorges, Hoover, and Grand Coulee are explored. Also featured are the positive impact beavers and their dams have on nature and the havoc man made dams wreak if one collapses.
