Police officers debug a customs check vehicle for foreign guests attending the Summer Davos in Dalian, northeast China's Liaoning Province, June 25, 2017. Summer Davos, officially the Annual Meeting of the New Champions, will be held here from June 27 to 29. Established by the World Economic Forum in 2007, the meeting is held each year in China, alternating between Dalian and Tianjin. (Xinhua/Long Lei)
