Photos by Photocome

As he spends more than 20 days every month on the train, to 37-year-old passenger railway police officer Wang Liqun the time he spends together with his family is precious. The Xi'an-Guangzhou train on which he works takes 28-29 hours to travel the route, and Wang and his colleagues patrol the 1-kilometer-long train, comprising 19 carriages, every 40 minutes. In order to ensure the passengers' safety, they must forego a peaceful night's sleep on the train.

Prior to the train's departure, police officer Wang looks out for suspicious figures among the crowds of people on the platform.	Nothing dubious escapes the eyes of the passenger railway police. Passengers look to officer Wang for help.
Pirated discs captured on the train.
Policemen hunt for contraband in the baggage car. The first thing Wang Liqun does on returning home is to study his son's school report.	Resting in shifts.