Travelers wait for trains at Chengdu railway station in Chengdu city, Southwest China's Sichuan province, Feb 6, 2011. China's busy Spring Festival transportation season runs for 40 days and is calculated in two phases: 15 days before the Spring Festival and 25 days after the Spring Festival. The first returning peak will be next Tuesday, or the sixth day of the lunar New Year. [Photo/Xinhua]

Train passengers are seen outside Chengdu Railway Station in Chengdu city, Southwest China's Sichuan province, Feb 6, 2011.[Photo/Xinhua]