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A combo photo shows Nanning Railway Station in 1975 (up) and Nanning East Railway Station, Sept. 4, 2018, south China's Guangxi Zhuang Autonomous Region. The total mileage of railway lines in Guangxi Zhuang Autonomous Region has reached 5,191 km from 1,346.3 km in 1958. The railway has become a transportation artery and brought economic opportunities to Guangxi. (Xinhua)?