2019 World Computer Congress held in Changsha

Vice President of Tencent Ding Ke gives a speech during the 2019 World Computer Congress in Changsha, central China's Hunan Province, Sept. 10, 2019. With the theme of "Calculating the World to Create A New Era", the 2019 World Computer Congress invited experts and company representatives worldwide to gather at the event to exchange views on the future trend of computer technologies and industries. (Photo by Chen Sihan/Xinhua)