China News Service, Harbin, February 10th: Railway "Mario" guards the way home on New Year's Day in the pipeline. With the start of the Spring Festival travel rush, the passenger flow in Harbin has surged.

The water consumption of trains has increased several times compared with the past, and the water demand of passengers has also increased. Jiang Bo, deputy foreman of the water channel work area of the China Railway Harbin Bureau Group Corporation, crawled in the dark, damp water wells and culverts to deliver food to passengers.