A freight train loaded with fertilizer and coffee beans left Kunming of southwest China's Yunnan for Qinzhou port in neighboring Guangxi Zhuang Autonomous Region, May 18, 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/Hu Chao)