A combo photo shows passengers boarding train in Nanning Railway Station in 1980 (up) and passengers boarding train in Nanning 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)