Workers check junction boxes at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
Electrical engineer Chen Liang (1st L) checks devices at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
Maintenance workers patrol at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
Maintenance workers patrol at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
Maintenance worker Chen Weiyang climbs up a ladder at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
Maintenance workers patrol at Xi'an North Railway Station in Xi'an, northwest China's Shaanxi Province, Jan. 21, 2017. Local railway department carries out a routine check on electrical system every week to ensure the illumination of the railway station. (Xinhua/Li Yibo)
