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Two contestants burnish rail during a skill competition in Liupanshui, southwest China's Guizhou Province, Oct. 25, 2018. A total of 30 railway workers participated in the competition. (Xinhua/Tao Liang)
Two contestants burnish rail during a skill competition in Liupanshui, southwest China's Guizhou Province, Oct. 25, 2018. A total of 30 railway workers participated in the competition. (Xinhua/Tao Liang)