A catenary inspection car tests railway contact lines in Zhangye West Railway Station, a stop on the Gansu section of the Lanzhou-Xinjiang High-Speed Railway, on September 2. The 1,776-km passenger line connects northwest China's Gansu Province, Qinghai Province and Xinjiang Uygur Autonomous Region. It's expected to be put into use at the end of this year. (WANG HAIXIA)