Aerial photo taken on May 1, 2022 shows members of a scientific research team marching towards East Rongbuk glacier on Mount Qomolangma.China has started a new comprehensive scientific expedition on Mount Qomolangma, the world's highest peak on the China-Nepal border.The expedition focuses on major scientific issues such as westerly wind-monsoon synergy, Asian water-tower change, ecosystems and biodiversity, and human activities in the Mount Qomolangma area. (Xinhua/Sun Fei)

Aerial photo taken on May 1, 2022 shows members of a scientific research team marching towards East Rongbuk glacier on Mount Qomolangma.(Xinhua/Sun Fei)

Kang Shichang (1st L), leader of a scientific research team, inspires his team members before a scientific expedition at the Mount Qomolangma base camp, May 1, 2022.

Kang Shichang, leader of a scientific research team, checks supplies before a scientific expedition at the Mount Qomolangma base camp, May 1, 2022.

Workers transport supplies for a scientific expedition at the Mount Qomolangma base camp, May 1, 2022.

Aerial photo taken on May 1, 2022 shows a view of the Mount Qomolangma base camp.

Aerial photo taken on May 1, 2022 shows yaks transporting supplies at the Mount Qomolangma base camp.