Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]

Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]

Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]

Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]

Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]

Photo taken on May 23, 2015 shows the scenery of the Lhasa River in southwest China’s Tibet Autonomous Region. The Lhasa River rises on southern slope of Mt. Nyanchen Thanglha and crosses Lhasa before it feeds into the Yarlung Tsangpo River. The river’s total length is 551 kilometers with an elevation of 5,200 meters. [Photo/China Tibet Online]