An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

An aerial drone photo taken on May 11, 2024 shows a view of the Zangser Kangri Glacier at the Changtang National Nature Reserve, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)