Two kids gesture aboard a train bound for Guiyang, southwest China's Guizhou Province, at Shanghai Hongqiao Railway Station in east China's Shanghai, Jan. 14, 2025. (Photo by Chen Haoming/Xinhua)

BEIJING, Jan. 14 (Xinhua) -- The Spring Festival, China's biggest traditional holiday, will fall on Jan. 29 this year. The Spring Festival travel rush, or chunyun, the world's largest annual human migration known for its high transportation demand as millions return home for family reunions, kicks off on Tuesday.

Travelers prepare to enter Changsha Railway Station in Changsha, central China's Hunan Province, Jan. 14, 2025. (Xinhua/Chen Sihan)

Travelers walk in Beijing West Railway Station in Beijing, capital of China, Jan. 14, 2025. (Xinhua/Xu Hongyan)