1. The first phase was carried out from 1993 to 1997 when the mainstream of the Yangtze was dammed at the Three Gorges.
2. Since the Three Gorges Project dammed the river in 1997, the environment for the reproduction of Chinese sturgeon has changed.
3. Towns were leveled and villages were buried, as mountains crumbled into rivers and dammed them to further threaten residents.
4. They have the Internet, albeit often dammed from the outside world.
5. I was told that since the river was dammed, ships take almost as long to travel downstream as upstream.