2019 World Robot Conference opens in Beijing

Photo taken on Aug. 20, 2019 shows 5G unmanned delivery vehicles of JD Logistics during the 2019 World Robot Conference in Daxing District of Beijing, capital of China. The 2019 World Robot Conference, themed "Intelligent Ecosystem for a New Open Era", opened at Beijing Etrong International Exhibition & Convention Center on Tuesday. (Xinhua/Li Xin)