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Aerial photo taken on July 1, 2018 shows bullet trains running on a bridge in Nanning, capital of south China's Guangxi Zhuang Autonomous Region. China updated the country's train diagram on Sunday. (Xinhua/Huang Xiaobang)
Aerial photo taken on July 1, 2018 shows bullet trains running on a bridge in Nanning, capital of south China's Guangxi Zhuang Autonomous Region. China updated the country's train diagram on Sunday. (Xinhua/Huang Xiaobang)