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Attendants deliver free dumplings to passengers on the Train K2186 from east China's Shanghai to Xining, northwest China's Qinghai Province, Feb. 15, 2018, the first day of the Spring Festival holiday. (Xinhua/Chen Fei)
Attendants deliver free dumplings to passengers on the Train K2186 from east China's Shanghai to Xining, northwest China's Qinghai Province, Feb. 15, 2018, the first day of the Spring Festival holiday. (Xinhua/Chen Fei)