
Worker Ding Yaodong weld rails at Wuhan Rail Welding Base in Wuhan, capital of central China's Hubei Province, Sept. 22, 2015. Wuhan Rail Welding Base has welded more than 9,000 kilometers of rails since it was built in 2008. The base mainly make 100-meter-long seamless welded rails for laying high-speed railroads in China. (Xinhua/Xiao Yijiu)















