With an elevation of over 4700 meters, the Lake Namtso is situated in the Lhasa City of Tibet, covering an area of more than 1900sq.km. [Photo/Xinhua]

According to the Environment Protection Department of Tibet Autonomous Region, Tibet will put 448 million yuan (about 73 million U.S. dollars) into the ecological environment protection of Lake Namtso basins during the 12th Five-Year Plan (2011-2015), according to Xinhua.

Four key projects including ecological conservation project, comprehensive prevention and control of the lake basin pollution project, construction of the supervisory ability of ecological environment project and baseline survey have been carried out.

"Namtso" in Tibetan language means "lake in the sky". With an elevation of over 4700 meters, the Lake Namtso is situated in the Lhasa City of Tibet, covering an area of more than 1900sq.km. It is the second largest salt lake in China, and the world's highest salt lake.

With an elevation of over 4700 meters, the Lake Namtso is situated in the Lhasa City of Tibet, covering an area of more than 1900sq.km. [Photo/Xinhua]

With an elevation of over 4700 meters, the Lake Namtso is situated in the Lhasa City of Tibet, covering an area of more than 1900sq.km. [Photo/Xinhua]

With an elevation of over 4700 meters, the Lake Namtso is situated in the Lhasa City of Tibet, covering an area of more than 1900sq.km. [Photo/Xinhua]