Xinhua photos of the day

Shi Junjie shunts carriages at the shunting yard at the Xining Railway Station in Xining, capital of northwest China's Qinghai Province, Feb. 5, 2019. Shi and his colleagues who take charge of shunting carriages for cargo transportation keep on working during the Spring Festival to ensure transport safety and smooth. (Xinhua/Zhang Hongxiang)