A test bullet train running in a trial operation of the Baoji-Lanzhou high-speed railway arrives at the Lanzhouxi Railway Station in Lanzhou, capital of northwest China's Gansu Province, June 2, 2017. The 401-km railway linking Baoji of northwest China's Shaanxi Province and Lanzhou in neighboring Gansu Province started test runs of the whole line. (Xinhua/Nie Jianjiang)
