The upper reaches of the Brahmaputra River, known as the Yarlung Tsangpo from the Tibetan language, originates on the Angsi Glacier, near Mount Kailash, located on the northern side of the Himalayas in Burang County of Tibet. The source of the river was earlier thought to be on the Chemayungdung glacier, which covers the slopes of the Himalayas about southeast of Lake Manasarovar in southwestern Tibet. The river is long, and its drainage area is according to the new findings, while previous documents showed its length varied from to and its drainage area between 520,000 and 1.73 million km2. This finding has been given by Liu Shaochuang, a researcher with the Institute of Remote Sensing Applications under the analysis using expeditions and satellite imagery from the Chinese Academy of Sciences (CAS).