23 Séasúr
705 Eachtra
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.
- Bliain: 2022
- Tír: United States of America
- Seánra: Documentary
- Stiúideo: History, H2
- Eochairfhocal: technology, invention, disaster, construction, machine
- Stiúrthóir: Bruce Nash
- Caitheadh: