The freight train of China Railway Express (Xiamen-Budapest), linking southeast China's port city of Xiamen with Budapest, capital of Hungary, is seen at Haicang Station in Xiamen, southeast China's Fujian Province, Jan. 19, 2018. China's rail freight volume, an indicator of broad economic activity, rose 9.1 percent year on year in 2018, according to the China Railway Corporation. Railways carried 4.02 billion tonnes of freight last year, 334 million tonnes more than the previous year, data from the company showed. (Xinhua/Lin Shanchuan)