Aerial photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Aerial photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Aerial photo taken on May 10, 2020 shows glacier near the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
A chef cooks at the advance camp at an altitude of 6,500 meters on Mount Qomolangma, May 10, 2020. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Chefs cook at the advance camp at an altitude of 6,500 meters on Mount Qomolangma, May 10, 2020. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Photo taken on May 10, 2020 shows night view at the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Yellow-billed choughs fly over the advance camp at an altitude of 6,500 meters on Mount Qomolangma, May 10, 2020. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Aerial photo taken on May 10, 2020 shows glacier near the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
A chef cooks at the advance camp at an altitude of 6,500 meters on Mount Qomolangma, May 10, 2020. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
A staff member boils ice at the advance camp at an altitude of 6,500 meters on Mount Qomolangma, May 11, 2020. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Aerial photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
Aerial photo taken on May 10, 2020 shows a view of the advance camp at an altitude of 6,500 meters on Mount Qomolangma. The advance camp sits on a slope next to the end of the East Rongbuk glacier and is the last camp before the snow line and the ice and snow road on Mount Qomolangma. Known as the "devil camp," many of the professional mountain guides, who have reached the peak of Mount Qomolangma countless times, also suffer from altitude sickness here due to its geographical location. It's an area surrounded by mountains and poor air circulation. (Xinhua/Sun Fei)
