Photo taken on June 15, 2017 shows a section of a high-speed railway (HSR) in southwest China's Sichuan Province. The HSR line for passenger transport will link Xi'an, capital of northwest China's Shaanxi Province, with Chengdu, capital of Sichuan. As the first HSR to pass through the region of the Qinling Mountains, it is scheduled to be put into operation within the year. [Photo/Xinhua]