Two yaks walk on a snow carpet at the foot of the Bayan Har Mountains in Chindu County of Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province, April 18, 2014. Yushu Prefecture was hit by a snow on Friday. The prefecture is home to the uppermost drainage areas of three major Asian rivers: the Yellow River, the Yangtze and the Mekong. (Xinhua/Zhang Hongxiang) |