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Photo taken on April 21, 2020 shows the Mount Qomolangma at sunrise in southwest China's Tibet Autonomous Region. (Xinhua/Dainzin Nyima Choktrul)

Photo taken on April 21, 2020 shows the Mount Qomolangma at sunrise in southwest China's Tibet Autonomous Region. (Xinhua/Dainzin Nyima Choktrul)