Passengers sit in the waiting room to check in at Nanjing Railway Station in Nanjing, capital of east China's Jiangsu Province, January  21, 2007. China's 'Chun Yun', which means travelling during traditional Chinese Spring Festival, officially kicks off on February 3, and will last until March 14. As many as 156 million passengers are expected to travel over the railway during the holiday season. [newsphoto]

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