Picture taken on Oct 23, 2010 shows the Three Gorges Reservoir in Yichang, Central China’s Hubei province. The water level at the Three Gorges Dam, the world's largest water control and utilization project, reached 175 meters on Oct 26, 2010. The 175-meter mark, a milestone in the construction of the gigantic reservoir, would enable the project to fulfill its functions of flood control, power generation, navigation and water supply to the fullest extent. [Photo/Xinhua]