Scenery of Mount Qomolangma National Nature Reserve(1/8)

Mobile photo taken on May 3, 2020 shows shadow of clouds on a mountain at the Mount Qomolangma National Nature Reserve in southwest China's Tibet Autonomous Region. (Xinhua/Shen Hongbing)

Mobile photo taken on May 3, 2020 shows a herd of sheep at the Mount Qomolangma National Nature Reserve in southwest China's Tibet Autonomous Region. (Xinhua/Shen Hongbing)

Photo taken on May 4, 2020 shows a view of Mount Qomolangma in southwest China's Tibet Autonomous Region. (Xinhua/Zhang Jingpin)

Photo taken on May 4, 2020 shows a view of Mount Qomolangma in southwest China's Tibet Autonomous Region. (Xinhua/Zhang Jingpin)

Mobile photo taken on May 3, 2020 shows a view of a mountain at the Mount Qomolangma National Nature Reserve in southwest China's Tibet Autonomous Region. (Xinhua/Shen Hongbing)

Mobile photo taken on May 3, 2020 shows two blue sheep on a road to Mount Qomolangma at the Mount Qomolangma National Nature Reserve in southwest China's Tibet Autonomous Region. (Xinhua/Shen Hongbing)

Photo taken on May 4, 2020 shows a view of Mount Qomolangma from the Rongpu Monastery in southwest China's Tibet Autonomous Region. (Xinhua/Zhang Jingpin)

Mobile photo taken on May 3, 2020 shows shadow of clouds on a mountain at the Mount Qomolangma National Nature Reserve in southwest China's Tibet Autonomous Region. (Xinhua/Shen Hongbing)