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An Amazon delivery drone prepares to descend toward its target during a test run in England. One of Amazon’s patents covers a system that would eject packages from as high as 500 feet. (Amazon via YouTube)
An attendant walks past EU and China flags ahead of the EU-China High-level Economic Dialogue at Diaoyutai State Guesthouse in Beijing, on June 25, 2018. [Photo/Agencies]
An exhibitor walks a robot out of the exhibition venue after the 2020 China International Fair for Trade in Services closed on Wednesday in Beijing. [Photo/WU YIBIN FOR CHINA DAILY]
An exhibition about the life in Northwest China's Xinjiang Uygur autonomous region is held in Geneva, Switzerland on March 3, 2020. [Photo/Xinhua]
An employee works at a construction site in Wuhan, Central China's Hubei province, on March 26, 2020. [Photo/Xinhua]
来源：资阳报