23 Season
705 Episode
Modern Marvels - Season 1 Episode 1 Grand Coulee Dam
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.
- Year : 2022
- Country : United States of America
- Genre : Documentary
- Studio : History, H2
- Keyword : technology, invention, disaster, construction, machine
- Director : Bruce Nash
- Cast :
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