Robot soccer players take to the field at RoboCup 2019 in Sydney
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A competitor places his football robot on the pitch before a match at RoboCup 2019 in Sydney on Thursday, July 4, 2019. About 170 teams from more than 30 countries gathered for the annual event, which sees robot soccer teams go head-to-head in a competition designed to enhance the development of artificial intelligence and robotics. [Photo: VCG]