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)