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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)
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)