Innotrans railway trade fair opens in Berlin, highlighting digitalization

A visitor looks at a high-speed train model at the booth of China Academy of Railway Sciences Corporation Limited during the "Innotrans" railway industry trade fair in Berlin, capital of Germany, on Sept. 18, 2018. The bi-annual "Innotrans" railway industry trade fair, the largest of its kind in the world, opened on Tuesday in Berlin, with a focus on autonomous and digital technologies. (Xinhua/Shan Yuqi)