A couple of migrant workers share a Chinese bun as they wait for the train at Chengdu's railway station in Southwest China's Sichuan Province on January 17, 2006. Migrant workers are going back home to celebrate the upcoming festival, the traditional Chinese Lunar New Year, which starts January 29 this year. China's passenger flow will hit two billion trips during the 2006 Spring Festival holiday, the National Development and Reform Commission predict. [newsphoto]