This photo taken on May 11, 2020 captures clouds swirling around Mount Qomolangma.(TASHI TSERING / XINHUA)

This photo taken on April 15, 2020 captures clouds swirling around Mount Qomolangma. (SUN FEI / XINHUA)

This photo taken on May 10, 2020 captures clouds swirling around Mount Qomolangma.(TASHI TSERING / XINHUA)

This photo taken on May 1, 2020 captures clouds swirling around Mount Qomolangma. (TASHI TSERING / XINHUA)

This photo taken on May 7, 2020 captures clouds swirling around Mount Qomolangma.(JIGME DORJE / XINHUA)

This photo taken on May 1, 2020 shows a view of Mount Qomolangma from the Rongpu Monastery in Southwest China's Tibet Autonomous Region. (PURBU ZHAXI / XINHUA)

This photo taken on May 18, 2020 captures clouds swirling around Mount Qomolangma.( (SUN FEI / XINHUA)

This photo taken on May 10, 2020 captures clouds swirling around Mount Qomolangma. (TASHI TSERING / XINHUA)

This photo taken on April 28, 2020 captures clouds swirling around Mount Qomolangma. (PURBU ZHAXI / XINHUA)

This photo taken on May 4, 2020 captures clouds swirling around Mount Qomolangma. (JIGME DORJE / XINHUA)

This photo taken on May 10, 2020 captures clouds swirling around Mount Qomolangma. (TASHI TSERING / XINHUA)

This photo taken on April 25, 2020 captures clouds swirling around Mount Qomolangma. (PURBU ZHAXI / XINHUA)

Mount Qomolangma is seen behind clouds on April 30, 2020. (JIGME DORJE / XINHUA)