Shanghai

Passengers exit Shanghai railway station in east China's Shanghai, Feb. 8, 2011. It is estimated that the first Post-Spring Festival traffic peak has started and the railway stations all over the country have taken measures to regulate the passenger flow. (Xinhua/Pei Xin)

Passengers exit Shanghai railway station in east China's Shanghai, Feb. 8, 2011. It is estimated that the first Post-Spring Festival traffic peak has started and the railway stations all over the country have taken measures to regulate the passenger flow. (Xinhua/Pei Xin)

Passengers wait at Shanghai railway station in east China's Shanghai, Feb. 8, 2011. It is estimated that the first Post-Spring Festival traffic peak has started and the railway stations all over the country have taken measures to regulate the passenger flow. (Xinhua/Pei Xin)