Passengers check in to board a train at the Tianjin Railway Station in Tianjin, north China, Feb. 2, 2017. Some 11.5 million trips were made Thursday on China's railways with travelers returning to work at the end of the week-long Spring Festival holiday. Spring Festival, or the Chinese Lunar New Year, is the most important occasion for family reunions and fell on Jan. 28 this year.(Xinhua/Yang Baosen)
