Jack Ma, the founder and chairman of the Chinese e-commerce giant Alibaba, receives interviews during the two-day session with owners of U.S. small and medium-sized enterprises, in Detroit, the United States, June 21, 2017. Air Traffic was jammed and hotels were full in the U.S. city of Detroit on Monday when more than 3,000 business representatives flocked in for the Gateway 17 conference, Aibaba's biggest-ever public event, in the United States. (Xinhua/Wang Ping)
