People line up to buy train tickets at Ningbo International Convention and Exhibition Center in Ningbo City, east China's Zhejiang Province on Jan. 9, 2011. A temporary train ticket office was launched here Sunday to divert buying crowds from heavily-jammed railway stations. Every year, millions of Chinese people travel back home for family reunion during the Spring Festival travel season, which brings about inter-provincial passenger traffic pressure in the vast country. [Xinhua]