Dam
- Episode aired Sep 15, 2009
- Not Rated
- 50m
The Three Gorges Dam in China, the world's largest hydroelectric dam, is over 2km long, 60-storeys high and will generate enough electricity for 60 million people.The Three Gorges Dam in China, the world's largest hydroelectric dam, is over 2km long, 60-storeys high and will generate enough electricity for 60 million people.The Three Gorges Dam in China, the world's largest hydroelectric dam, is over 2km long, 60-storeys high and will generate enough electricity for 60 million people.