Passengers board a train at Yantai Railway Station in Yantai, east China's Shandong Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Tang Ke)
A bullet train runs in Kaili City, southwest China's Guizhou Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Wu Jibin)
A Fuxing bullet train departs from Yantai Railway Station in Yantai, east China's Shandong Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Tang Ke)
A bullet train departs from Xuzhou East Railway Station in Xuzhou, east China's Jiangsu Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Geng Yuhe)
A passenger (L) consults a staff member at Tianjin West Railway Station in Tianjin, north China, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Yang Baosen)
Passengers wait for trains at Xuzhou East Railway Station in Xuzhou, east China's Jiangsu Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Geng Yuhe)
A bullet train arrives at Yantai South Railway Station in Yantai, east China's Shandong Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Sun Wentan)
A bullet train runs in Kaili City, southwest China's Guizhou Province, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Wu Jibin)
A Fuxing bullet train arrives at Beijing South Railway Station in Beijing, capital of China, Jan. 20, 2019. The 2019 Spring Festival travel rush, known as Chunyun, starts on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Yang Baosen)