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A worker works at an assembly line of CRRC MNG Rail System Vehicle Industry and Trade Co., Ltd. in Ankara, Turkey, April 4, 2018. (Xinhua/Qin Yanyang)
A worker works at an assembly line of CRRC MNG Rail System Vehicle Industry and Trade Co., Ltd. in Ankara, Turkey, April 4, 2018. (Xinhua/Qin Yanyang)