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]

Tourists are seen in a ship in the Qinghai Lake, about 150 kilometers west of Xining, capital of northwest China's Qinghai Province, on August 13, 2009.  [Xinhua]