The first freight train carrying commercial vehicles leaves Jinan Railway Yantai Logistics Park in the Fushan District of Yantai City, east China's Shandong Province, July 27, 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/Tang Ke)