Great Wall Across the Yangtze

"China’s stunning Three Gorges region, ’Great Wall Across the Yangtze’ tells the story of a legendary river that today faces its greatest challenge. In 1994, the People’s Republic of China ordered the damming of the Yangtze with a massive wall of concrete and steel - a 15-year project that will create the world’s largest dam and hydroelectric power plant." (text taken from pbs.org)