Photo taken on June 2 shows Sabu glacier and its glacial lake in Biru County, southwest China's Tibet Autonomous Region. [Photo/ Xinhua]

The northern parts of Tibet Autonomous Region hold one of the richest glacier distributions in China, which are increasingly melting under the threat of global warming.

Photos taken on May 30 shows Sabu glacier in Biru County, southwest China's Tibet Autonomous Region. [Photo/ Xinhua] 


Photo taken on June 2 shows Naruo glacier in Biru County, southwest China's Tibet Autonomous Region. [Photo/ Xinhua]

Photo taken on June 2 shows Sabu glacier in Biru County, southwest China's Tibet Autonomous Region. [Photo/ Xinhua]