Impossible Engineering

World's Most Powerful Dam

China's Three Gorges Dam is the largest and heaviest concrete structure on earth, and it produces more power than any hydroelectric dam ever built. Discover how engineers reshaped a river to accomplish this incredible engineering feat.
Aired: Apr 06, 2016 Genre: DocumentaryCasts: Mike BrattonDuration: 42m Rating: 0 Country: United Kingdom, United States of America Production: Twofour, Powderhouse Productions