Rail tracks maintained in Nanyang

The tracks are checked according to exacting details. [Photo by Huo Yaping/ha.people.cn]

Engineers carry out repairs to a rail track in Nanyang. [Photo by Huo Yaping/ha.people.cn]

Lubricant is used to maintain the track. [Photo by Huo Yaping/ha.people.cn]

Safety check become necessary as the weather warms up and expands the tracks. [Photo by Huo Yaping/ha.people.cn]