Tourists enjoy themselves by the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, August 13, 2009. Located in northeastern part of the Qinghai-Tibet Plateau with an altitude of over 3,200 meters, the Qinghai Lake, covering an area of 4,300 square km, is the largest inland salt-water lake in China as well as an important ecological and natural reserve. (Xinhua/Zhang Yanhui)
Tourists enjoy themselves by the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, August 13, 2009. (Xinhua/Zhang Yanhui)
Photo taken on August 13, 2009 shows the rape flowers field by the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province.(Xinhua/Zhang Yanhui)(Xinhua Photo)
Tourists are seen by the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, August 13, 2009. (Xinhua/Zhang Yanhui)
Tourists are seen in a ship in the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, August 13, 2009. (Xinhua/Zhang Yanhui)
Tourists are seen by the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, August 13, 2009. (Xinhua/Zhang Yanhui)