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Yang Xiaofei, a waitress, serves the passengers on train No. K4186 from Fuzhou in southeast China's Fujian Province to Guang'an in southwest China's Sichuan Province on Jan. 22, 2019. (Xinhua/Song Weiwei)
Yang Xiaofei, a waitress, serves the passengers on train No. K4186 from Fuzhou in southeast China's Fujian Province to Guang'an in southwest China's Sichuan Province on Jan. 22, 2019. (Xinhua/Song Weiwei)