China completed construction of the world's largest dam Saturday, May 20, 2006, in Three Gorges area, central China's Hubei Province, signifying accomplishment of the major structure of the mammoth Three Gorges water control project. The 185-meter-high and 2,309-meter-long Dam is the world's largest dam of reinforced concrete, with a total of 28 million cubic meters of concrete has been poured. The concrete placement of the Dam's main section was completed 10 months ahead of the schedule, which will enable the Dam to start its role in power generation, flood control and shipping improvement in 2008.