Passengers leave the platform at Tianjin Railway Station in Tianjin, north China, May 1, 2014. China's railways saw an increase of passenger trips during the Labor Day holiday, data released on Sunday by the railway authorities showed. From April 30 to May 3, 36.98 million railway trips were made, 16.5 percent higher than the same period last year, said the China Railway Corporation. [Photo by Yang Baosen/Xinhua]