Photo taken on Oct. 1, 2017 shows one pasture at Qilian County in northwest China's Qinghai Province. Qinghai become more beautiful with the coming of autumn this year. (Xinhua/Wang Bo)
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Photo taken on Oct. 1, 2017 shows one pasture at Qilian County in northwest China's Qinghai Province. Qinghai become more beautiful with the coming of autumn this year. (Xinhua/Wang Bo)