Geladandong Snow Mountain, located in northwest China’s Qinghai Province, is the tallest mountain in the Tanggula Mountain Range with an elevation of 6,621 meters above sea level.(Photos:Xinhua)The traditional source of the Yangtze River, Tuotuo River, begins with glaciers on its surface. Covering glaciers spanning more than 800 square kilometers, the mountain looks like a magnificent frozen river from the sky.(Video