![U.S.-HOUSTON-U.S.-CHINA INNOVATION CONFERENCE](138064627_15580524408101n.jpg)
Charles Foster, board of director of U.S.-China Innovation Alliance (UCIA), delivers a speech at the opening ceremony of 2019 U.S.-China Innovation and Investment Summit (UCIS) in Houston, Texas, the United States, on May 16, 2019. The fourth U.S.-China Innovation and Investment Summit kicked off Thursday in Houston, the U.S. state of Texas, bringing a new wave of technology and innovation investment to the city. (Xinhua/Liu Liwei)