Photo taken on June 11, 2019 shows an event held at the Stanford Faculty Club in California, the United States. The eastern Chinese city of Nanjing unveiled a series of events here focused on bolstering China-U.S. cooperation and innovation at home. The event, under the theme of "Infinite Future, Infinite Nanjing," attracted representatives from the world's Fortune 500 companies and startups dedicated to software and hardware businesses, industry leaders, experts and scholars to discuss the city's innovation potential. (Xinhua/Li Jianguo)