Scenery of Rongbuk glacier at foot of Mount Qomolangma

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier (L) and West Rongbuk glacier (R) at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 12, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 16, 2023 shows Mount Qomolangma and Rongbuk glacier in southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial panorama photo taken on May 16, 2023 shows Central Rongbuk glacier (L) and West Rongbuk glacier (R) at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This photo taken on May 12, 2023 shows a lake formed by water melted from Rongbuk glacier, in southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier (front) and West Rongbuk glacier (rear) at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 16, 2023 shows Mount Qomolangma and Rongbuk glacier in southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Jigme Dorje)

This photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)

This aerial photo taken on May 15, 2023 shows Central Rongbuk glacier at the foot of Mount Qomolangma, southwest China's Tibet Autonomous Region. With the east, central, and west branches, Rongbuk glacier is the biggest and most famous compound valley glacier at the foot of Mount Qomolangma. (Xinhua/Sun Fei)