A child plays by the side of a window on a train from Ningbo of Zhejiang to Bengbu of east China's Anhui Province in Hangzhou, capital of east China's Zhejiang Province, Jan. 22, 2013. Many migrant workers and their children have started to return home in order to avoid the Spring Festival travel peak that begins on Jan. 26 and will last for about 40 days. The Spring Festival, the most important occasion for a family reunion for the Chinese people, falls on the first day of the first month of the traditional Chinese lunar calendar, or Feb. 10 this year. [Photo/Xinhua]