摘要
Tghe Lhasa River originates the western slopes:of snow-covered Gongbo Bala Mountain,some 150 km east of Lhasa,then meanders to the southwest emptying into the Yarlung Zangbo River.The Nyang River,which lies to the east of the mountain,meets the Yarlung Zangbo River near Nyingchi.The three rivers form a triangle.
