A bullet train runs on the Guizhou west section of Shanghai-Kunming high-speed railway line, southwest China's Guizhou Province, Dec. 17, 2016. The Guizhou west section of Shanghai-Kunming high-speed railway is scheduled to be put into operation at the end of December. At that time, the whole Shanghai-Kunming high-speed railway line, which has been under construction for eight years, will be in full operation. (Photo/Xinhua)
