A father plays a game with his daughter at Zhengzhou East Railway Station in Zhengzhou, central China's Henan Province, Jan. 14, 2025. 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, kicked off on Tuesday. [Photo/Xinhua] 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/Xinhua] A boy gestures aboard train T258 from Urumqi, northwest China's Xinjiang Uygur Autonomous Region, to Lanzhou, northwest China's Gansu Province, Jan. 14, 2025. [Photo/Xinhua] Travelers walk in Hefei Railway Station in Hefei, east China's Anhui Province, Jan. 14, 2025. [Photo/Xinhua] A man greets his friends at the exit of Changsha South Railway Station in Changsha, central China's Hunan Province, Jan. 14, 2025. [Photo/Xinhua] Travelers walk in Beijing West Railway Station in Beijing, capital of China, Jan. 14, 2025. [Photo/Xinhua] Two kids pose for a photo with a Spring Festival decoration in Beijing West Railway Station in Beijing, capital of China, Jan. 14, 2025. [Photo/Xinhua] Travelers walk in Beijing West Railway Station in Beijing, capital of China, Jan. 14, 2025. [Photo/Xinhua] Travelers watch a lion dance performance at Chengdu East Railway Station in Chengdu, southwest China's Sichuan Province, Jan. 14, 2025. [Photo/Xinhua] A father and his son are pictured at Nanning East Railway Station in Nanning, south China's Guangxi Zhuang Autonomous Region, Jan. 14, 2025. [Photo/Xinhua] Two college students returning home try paper-cutting at Nanning East Railway Station in Nanning, south China's Guangxi Zhuang Autonomous Region, Jan. 14, 2025. [Photo/Xinhua] A family is pictured at Chongqing West Railway Station in southwest China's Chongqing Municipality, Jan. 14, 2025. [Photo/Xinhua] Travelers walk in Beijing West Railway Station in Beijing, capital of China, Jan. 14, 2025. [Photo/Xinhua] Travelers prepare to enter Changsha Railway Station in Changsha, central China's Hunan Province, Jan. 14, 2025. [Photo/Xinhua] A traveler carrying his luggage walks into the waiting hall at Taiyuan Railway Station in Taiyuan, north China's Shanxi Province, Jan. 14, 2025. [Photo/Xinhua] A mother and her son have breakfast at Kunming South Railway Station in Kunming, southwest China's Yunnan Province, Jan. 14, 2025. [Photo/Xinhua]