Photo taken on June 3, 2022 shows the view of the Yamzbog Yumco Lake, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Aerial photo taken on Feb. 22, 2022 shows black-necked cranes in Lhunzhub County of Lhasa, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Aerial photo taken on June 4, 2022 shows a glacier in Nagarze County in Shannan, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Photo taken on May 25, 2022 shows a bearded vulture in Biru County of Nagqu, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Aerial photo taken on May 31, 2022 shows wetland in Lunang Township in Nyingchi, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Photo taken on June 9, 2022 shows a plateau pasture in Lhasa, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Aerial photo taken on April 13, 2022 shows a number of Tibetan antelopes in Gerze County of Ngari Prefecture, southwest China's Tibet Autonomous Region. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
A white eared pheasant (Crossoptilon crossoptilon) is observed in Shannan City, southwest China's Tibet Autonomous Region on May 14, 2022. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua
Livestock graze on the edge of the Yamzbog Yumco Lake, southwest China's Tibet Autonomous Region, June 3, 2022. Southwest China's Tibet Autonomous Region remains one of the best environmental areas in the world, with local biodiversity and ecosystems remaining stable in 2021, according to a report issued on June 2, 2022. Photo:Xinhua