The Spring Festival travel rush kicked off on Feb. 1 this year. To ensure transportation safety, railway workers are busy with the maintenance and security check works.

A worker checks the bottom of a Fuxing bullet train at a maintaining base in Beijing, capital of China, Feb. 2, 2018. Workers here spare no efforts to maintain high-speed trains to guarantee transportation safety during the Spring Festival travel rush. (Xinhua/Shen Bohan)