Passengers wait on the train 3603 to leave Beijing Railway Station for Chongqing West Railway Station early in the morning on Jan 28, 2021. The country's 40-day Spring Festival travel rush started from Jan 28. Due to COVID-19 pandemic prevention and control, the number of rail trips this year is estimated at 296 million. (Photos by Wei Xiaohao/chinadaily.com.cn)

Passengers wait in line to board on their trains at the waiting hall of Beijing Railway Station early in the morning on Jan 28, 2021.

Passengers enter Beijing Railway Station to board trains in the evening on Jan 27, 2021.

Passengers wait for their train at the waiting hall of Beijing Railway Station early in the morning on Jan 28, 2021.

Workers carry out disinfection at Beijing Railway Station in the evening on Jan 27, 2021.

Passengers board a train at Beijing Railway Station on Jan 28, 2021. [Photo by Sun Lijun/for chinadaily.com.cn]

Passengers wait on the train 3603 to leave Beijing Railway Station for Chongqing West Railway Station early in the morning on Jan 28, 2021.

Passengers wait on the train 3603 to leave Beijing Railway Station for Chongqing West Railway Station early in the morning on Jan 28, 2021.

Passengers arriving at Beijing Railway Station pass through security checks on Jan 27, 2021.

Passengers outside Beijing Railway Station on Jan 27, 2021.