Blue sheep graze at the foot of Mount Qomolangma, Sept. 22, 2016. The 8,844.43-meter-high Mt. Qomolangma, located on the border of China and Nepal, is the world's tallest peak. (Photo/Xinhua)
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Blue sheep graze at the foot of Mount Qomolangma, Sept. 22, 2016. The 8,844.43-meter-high Mt. Qomolangma, located on the border of China and Nepal, is the world's tallest peak. (Photo/Xinhua)
