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Robots swim ahead at intl underwater contest

By Xie Chuanjiao | chinadaily.com.cn | Updated: 2018-09-13 20:33
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A referee, wearing a blue shirt, records an underwater robot's performance in the presence of audience members during the 11th International Underwater Robot Competition, held in Qingdao, East China's Shandong province. [Photo provided to chinadaily. com.cn]
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