当地时间7月4日，在澳大利亚悉尼，2019年度机器人世界杯赛事在当地举行。（图片作者：PETER PARKS/视觉中国）

　　Robots play football at the RoboCup 2019 event in Sydney on July 4, 2019. About 170 teams from more than 30 countries gathered in Sydney for the annual RoboCup event which sees robot soccer teams go head to head in an event designed to enhance development of artificial intelligence and robotics. (Photo by Peter PARKS/Getty Images)