Crew members of the inter-city bullet train pose for a photo in Ulanhot station in Ulanhot of north China's Inner Mongolia Autonomous Regionon July 26, 2017. The 412-km-long railway linking Changchun, Baicheng, both in northeast China's Jilin Province, and Ulanhot in north China's Inner Mongolia Autonomous Region is now in a test operation. (Xinhua/Xu Chang)