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Qingdao, China's Shangdong Province. 19th July, 2019. Contestants attend the robot competition during the qualification trials of the 21st International Robot Olympiad (IRO) at the International Convention Centre of Qingdao, east China's
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Daegu City, '2021 International Robot Olympiad World Competition' for 4 days! : Smart City Comprehensive Portal - SMART CITY KOREA
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