Photo taken by smartphone on Sept. 14, 2016 shows a scene at 2016 International Manufacturing Technology Show in Chicago, the United States. The International Manufacturing Technology Show is one of the largest industrial trade shows in the world, featuring more than 2000 exhibiting companies and 114,147 registrants. It is held from Sept. 12 to 17 at McCormick Place in Chicago. (Xinhua/Wang Ping)