23 Évszak
705 Epizód
Modern Marvels - Season 1 Episode 1 1. epizód
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.
- Év: 2022
- Ország: United States of America
- Műfaj: Documentary
- Stúdió: History, H2
- Kulcsszó: technology, invention, disaster, construction, machine
- Rendező: Bruce Nash
- Öntvény: