1. Chang Jiang Three Gorges Dam

2. Dam under construction Three Gorges Dam Construction Site, will be the biggest dam in China and in the world

3. Sandouping A temporary diversion channel during the construction of the Three Gorges Dam in Sandouping, China.

4. Ship lock under construction Permanent canal lock at the construction site of the Three Gorges Dam in China

5. Navigation Excursion Boat Near Three Gorges Dam Construction Site

6. Gezhou Dam Passenger vessel passes through the ship lock at Gezhou Dam, near Yichang, China

7. Model of Three Gorges Dam During a tour, tourists examine a model of the completed Three Gorges Dam in Sandouping, China.

8. Yichang Water gushes from open sluice gates on the main dam of the Three Gorges project in Yichang, Hubei Province, June 10, 2003. China blocked the massive Yangtze River and successfully filled the water level up to 135 metres at a 600-metre-long reservoir for the world's biggest hydroelectric project.

9. Yichang A Chinese worker looks at water gushing from open sluice gates on the main dam of the Three Gorges project in Yichang, Hubei Province, June 11, 2003. China successfully filled the water level up to 135 metres at a 600-metre-long reservoir for the world's biggest hydroelectric project after blocking the massive Yangtze River.

10. Yichang A Chinese worker walks past the sluice gates on a 120-metre high platform on the main dam of the Three Gorges Project in Yichang, in the central province of Hubei, June 1, 2003. China blocked the massive Yangtze River on Sunday, starting to fill a reservoir for the world's biggest hydroelectric project that is a point of national pride but which critics fear will become an environmental nightmare. Picture taken June 1.

11. Dyke A flood wall on the Yangzi, near Shashi, Hubei Province, China.

12. Flood barriers Barriers are reinforced as a further rise in water level of the Yangtze is feared.

13. Dredging river bed To increase the capacity of lakes and rivers

14. Ship lock A lock on the Yangtze or Chang Jiang, diverts shipping around a dam on China's longest river.