Modern MarvelsTV Show
(1993) • Season 1, Episode 1
HD
★ 8.1
IMDb: 8.1
Seasons: 23
en
The world’s largest concrete dam–and the largest concrete structure in the world–lies on the Columbia River in the State of Washington. B uilt in 1931, it is also one of the largest hydroelectric power plants in the world.
Creator:
Bruce Nash
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