A volunteer helps a passenger carry luggage at Nanning Railway Station in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Jan. 13, 2017. About 2.98 billion trips are expected to be made during China's 2017 Spring Festival travel rush between Jan. 13 and Feb. 21. The Spring Festival, or Chinese Lunar New Year, falls on Jan. 28 this year. The festival is the most important occasion for family reunions. (Xinhua/Zhou Hua)