High-speed trains underwent maintenance at railway stations across China over the weekend, ahead of the Spring Festival travel rush between January 21 and March 1. /VCG Photo

The Spring Festival gives rise to the world’s largest annual migration as hundreds of millions of Chinese people travel to their hometowns to spend the holiday with their family. /VCG Photo

Over 413 million train trips are expected to be made during the 40-day Chinese New Year travel rush this year. /VCG Photo

To enhance railway transportation capacity, a total of 4,787 and 4,860 two-way train services will be scheduled daily before and after the festival respectively. /VCG Photo