A visitor takes a photo of a robot at the 2018 Dalian International Industry Expo. The three-day expo concluded successfully in Dalian, Liaoning province, on May 26, with a projected turnover of 1.06 billion yuan ($165.9 million). Nearly 600 companies from 10 countries and regions took part in the expo as exhibitors this year, attracting approximately 23,000 visitors. [Photo by Wang Hua/dlxww.com]