Qinghai Lake, Tibetan name "Cuowemb" (meaning "green sea"). Located in the northeast of the Qinghai-Tibet Plateau, Qinghai Province, China's largest inland lake. It is formed by the fall of the fault between Datong Mountain, Sun Moon Mountain and Qinghai Nanshan Mountain in the Qilian Mountains. Qinghai Lake is the largest saltwater lake inland in China, and is an important water body that maintains ecological safety in the northeast of the Qinghai-Tibet Plateau. On July 30, 2012, the latest remote sensing monitoring results of the Qinghai Institute of Meteorological Science showed that the area of Qinghai Lake continued to increase for 8 years. At 9:50 on October 20, 2014, a spectacular scene of "long absorbing water" appeared on the north side of Qinghai Lake Haixin Mountain.