Li Siyi, a five-year-old, dances for her mother aboard the K814 train from Zhaoqing, Guangdong Province, to Chongqing Municipality, on Jan. 17, 2013. Her mother Huang Mei works in a brick factory in Foshan. They could not buy any seating tickets and have to remain in the corner of the carriage for over 30 hours and then travel two more hours by bus before getting home. [Photo/Xinhua]