Huang Tingting from East China's Anhui province, stands in the carriage of the K68 train on Jan 19, 2013. Every year, Huang travels six times on trains commuting between his home and college.

Tu Xunbei holding his child rest beside a washing basin on the K814 train heading from Zhaoqing city of South China's Guangdong province to southwestern Chongqing municipality on Jan 17, 2013. It will take them about 30 hours to get back home by the train. [Photo/Xinhua]