Passengers line up to enter Beijing Railway Station on Jan 17, at the start of the Spring Festival travel rush. The travel period will last for 40 days. [Photo by Zhu Xingxin/chinadaily.com.cn]

A couple says goodbye in front of Beijing Railway Station on Jan 17. [Photo by Zhu Xingxin/chinadaily.com.cn]

Passengers arrive at Beijing Railway Station on Jan 17. [Photo by Zhu Xingxin/chinadaily.com.cn]

Passengers wait outside Beijing Railway Station on Jan 17. [Photo by Zhu Xingxin/chinadaily.com.cn]