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.
First Air Date : 1993-12-10
Last Air date : 2022-08-08
Runtime : 57 minutes
Genre : Documentary
Cast :
Crew :
Quality :
Subtitles :
- Season 1 : Episode 11993-12-10
- Season 1 : Episode 21994-01-21
- Season 1 : Episode 31994-03-04
- Season 1 : Episode 41994-03-20
- Season 1 : Episode 51994-03-27
- Season 1 : Episode 61994-03-13