Mount Qomolangma, the world's highest peak, is shrouded by clouds on May 27, 2020. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Loden)

Photo taken with an ultra-telephoto lens on May 27, 2020 shows Mount Qomolangma, the world's highest peak. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Purbu Zhaxi)

Photo taken on May 27, 2020 shows a communication device for contacting members of a Chinese surveying team at the Mount Qomolangma base camp in southwest China's Tibet Autonomous Region. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Sun Fei)

Aerial photo taken on May 27, 2020 shows a view of the Mount Qomolangma base camp in southwest China's Tibet Autonomous Region. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Jigme Dorje)

Aerial photo taken on May 27, 2020 shows a view of the Mount Qomolangma base camp in southwest China's Tibet Autonomous Region. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Jigme Dorje)

Mount Qomolangma, the world's highest peak, is seen in this aerial photo taken on May 27, 2020. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Purbu Zhaxi)

Staff members celebrate the summiting of Mount Qomolangma by a Chinese surveying team at the Mount Qomolangma base camp in southwest China's Tibet Autonomous Region, May 27, 2020. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Jigme Dorje)

Staff members celebrate the summiting of Mount Qomolangma by a Chinese surveying team at the Mount Qomolangma base camp in southwest China's Tibet Autonomous Region, May 27, 2020. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Sun Fei)

Photo taken with an ultra-telephoto lens on May 27, 2020 shows Mount Qomolangma, the world's highest peak. A Chinese survey team reached the summit of Mount Qomolangma Wednesday, and remeasured the height of the world's highest peak. (Xinhua/Jigme Dorje)