Aerial photo taken on July 10, 2021 shows part of the Zhongwei section of the Zhongwei-Lanzhou high-speed rail line in northwest China's Ningxia Hui Autonomous Region. A major high-speed railway in northwest China has entered a key phase recently, where the construction of overhead contact system has been rolled out.(Photo: Xinhua)
Aerial photo taken on July 10, 2021 shows part of the Zhongwei section of the Zhongwei-Lanzhou high-speed rail line in northwest China's Ningxia Hui Autonomous Region. A major high-speed railway in northwest China has entered a key phase recently, where the construction of overhead contact system has been rolled out.(Photo: Xinhua)
Aerial photo taken on July 10, 2021 shows railway staff members working at the Zhongwei section of the Zhongwei-Lanzhou high-speed rail line, in northwest China's Ningxia Hui Autonomous Region. A major high-speed railway in northwest China has entered a key phase recently, where the construction of overhead contact system has been rolled out.(Photo: Xinhua)
Railway staff members work at the Zhongwei section of the Zhongwei-Lanzhou high-speed rail line, in northwest China's Ningxia Hui Autonomous Region, July 10, 2021. A major high-speed railway in northwest China has entered a key phase recently, where the construction of overhead contact system has been rolled out.(Photo: Xinhua)