23 Oge
705 Ihe omume
Modern Marvels - Season 1 Episode 1
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.
- Afọ: 2022
- Mba: United States of America
- Dị: Documentary
- .Lọ nka: History, H2
- Isiokwu: technology, invention, disaster, construction, machine
- Onyeisi: Bruce Nash
- Nkedo: