BAOTOU, July 27, 2016 (Xinhua) -- A train, which is loaded with building materials and other commodities, left Jiuyuan Logistics Park in Baotou City of north China's Inner Mongolia Autonomous Region, for Astana, capital of Kazakhstan, July 27, 2016. The first freight train service linking northern China's Inner Mongolia Autonomous Region with Kazakhstan was launched Wednesday. (Xinhua/Jia Lijun)