Students display Han-style costumes, or Hanfu, at Zhangqian Memorial Hall in Chenggu Couty of Hanzhong City, northwest China's Shaanxi Province, May 9, 2017. The Xi'an-Chengdu high-speed railway, China's first rail route to run through the Qinling Mountains, is scheduled to enter operation within the year. By then, several ancient cities and tourist attractions will be connected by the railway. (Xinhua/Tao Ming)