A passenger arrives at the Shijiazhuang Railway Station, North China's Hebei province, on Jan 15, 2021. Passengers coming to Shijiazhuang, Hebei province, should show their nucleic acid test result and register their information, before they are sent to their destinations by chartered vehicles. (Photos by Wang Zhuangfei/chinadaily.com.cn)

A worker disinfects a passenger at a square of the Shijiazhuang Railway Station, North China's Hebei province, on Jan 15, 2021. Local authorities have established an integrated command center to ensure the safety and smooth transportation of passengers.

Before sending two college students home, Zhang Wenzheng, left, a volunteer, disinfects their luggage at the Shijiazhuang Railway Station, North China's Hebei province, on Jan 15, 2021.

Wang Ruijie, left, a college student, waves goodbye to Zhang Wenzheng, who drove him home from the Shijiazhuang Railway Station, North China's Hebei province, on Jan 15, 2021.