Photo taken on March 29, 2018 shows flowers blooming in Lhasa, capital of southwest China's Tibet Autonomous Region. (Xinhua/Yexe Dainzin)
Photo taken on May 19, 2015 shows a Tibetan antelope in Hoh Xil, northwest China's Qinghai Province.(Xinhua/Wu Gang)
Photo taken on Oct. 24, 2014 shows wild yaks walking on the border of the Kum Kol Desert in Altun Mountain National Nature Reserve in northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Jiang Wenyao)
Photo taken on Nov. 23, 2017 shows the Lalu wetland in Lhasa, capital of southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
Photo taken on June 21, 2017 shows the scenery in Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Xinhua/Chen Bin)
Photo taken on Jan. 6, 2018 shows red deers at an artificial forest in Shannan City, southwest China's Tibet Autonomous Region. (Xinhua/Zhang Rufeng)
Photo taken on March 31, 2018 shows peach flowers blooming at a village in Nyingchi City, southwest China's Tibet Autonomous Region.(Xinhua/Zhang Rufeng)
Photo taken on Nov. 19, 2016 shows lake and lawn on a high mountain in Shangri-la City of Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. (Xinhua/Hu Chao)
Photo taken on May 17, 2017 shows villagers diverting water to a wetland in Tingri County of Xigaze, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
Photo taken on March 11, 2018 shows salt fields in Mangkam County of Qamdo City, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)
Photo taken on June 26, 2017 shows an aerial view of Tangra Yumco Lake in Nagqu, southwest China's Tibet Autonomous Region.(Xinhua/Purbu Zhaxi)
Photo taken on Oct. 31, 2017 shows a primeval forest in Lhunze County of Shannan City, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
Photo taken on Aug. 5, 2017 shows flowers blooming on a grassland in Garze Tibetan Autonomous Prefecture, southwest China's Sichuan Province.(Xinhua/Jiang Hongjing)
Photo taken on July 7, 2017 shows villagers praying for harvest in a field during a festival in Lhunze County, southwest China's Tibet Autonomous Region.(Xinhua/Purbu Zhaxi)