Bangong Lake (Cuo) is also called Cuomuangla Hongbo, which means "long-necked swan" in Tibetan. It has the highest bird island in the world. Bangong Lake is located about 12 kilometers northwest of Ritu County in Ngari Prefecture. It is an inland lake that originally belonged to China at the junction of Ritu County and Kashmir in China (according to the actual line of control between China and India in 1959, this lake is still controlled by China. my country does not recognize the current Line of Actual Control). After the Sino-Indian War, India controlled the southern Tibetan area of China, and Pangong Lake became an "international lake". It runs east-west, is about 155 kilometers long, is about 15 kilometers wide from north to south, and is only 5 meters at its narrowest point. The lake has an altitude of 4,240 meters, a water depth of 57 meters, and a drainage area of 28,714 square kilometers. Pangong Lake is an inland lake, with light water in the east and salty water in the west. It is fresh water in Ritu County, and salt water at the junction with Kashmir in the west.