
White swans rest at the Qinghai Lake, China's largest salt lake, in Northwest China's Qinghai Province, November 13, 2007. Every year, more than 1,000 swans winter at the lake on the Qinghai-Tibet Plateau, making it a beautiful navy-blue swan lake. [Xinhua]

A white swan takes flight as others float on the surface of the Qinghai Lake, China's largest salt lake, in Northwest China's Qinghai Province November 13, 2007. Every year, more than 1,000 swans winter at the lake on the Qinghai-Tibet Plateau, making it a beautiful navy-blue swan lake. [Xinhua]

A white swan takes flight from the Qinghai Lake, China's largest salt lake, in Northwest China's Qinghai Province November 13, 2007. Every year, more than 1,000 swans winter at the lake on the Qinghai-Tibet Plateau, making it a beautiful navy-blue swan lake. [Xinhua]