Photo taken on May 17, 2016 shows bullet trains in Nanning, capital city of south China's Guangxi Zhuang Autonomous Region. High-speed railway has covered 11 cities with 1,700 kilometers in length within Guangxi since 2013. Guangxi has made a plan to make high-speed railways reach all its prefecture-level cities till 2020. (Xinhua/Huang Xiaobang)
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