A worker introduces the driver cabin to visitors at Nanning east railway station in Nanning, capital of south China's Guagnxi Zhuang Autonomous Region, Aug. 5, 2017. (Xinhua/Lu Bo'an)
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A worker introduces the driver cabin to visitors at Nanning east railway station in Nanning, capital of south China's Guagnxi Zhuang Autonomous Region, Aug. 5, 2017. (Xinhua/Lu Bo'an)
