A great number of Shanghai citizens and tourists from other places gather in the Chenyi Square, mourning for the victim of the 2014 Shanghai stampede on Jan. 2, 2015.(Photo/Youth.cn)

An old man holding a boy in his arms queues to enter the Beijing Railway Station on Feb. 3, 2015.

The 2015 Spring Festival travel season begins on Feb. 4 and ends on March 15. The number of passenger journeys during this season reached over 2.8 billion, up 3.5 percent from 2014.(Photo/Youth.cn)