A mechanic checks a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
A mechanic clears the filter of a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
Mechanics check a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
A mechanic checks a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
Mechanics check a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
A mechanic checks a bullet train at the Xicheng high-speed train maintenance base in Xi’an, capital of northwest China’s Shaanxi province, July 4, 2016. Xicheng high-speed train maintenance base, which is the largest in western China, was put into operation recently. [Photo/Xinhua]
