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A man operates a robot at the International Robot Exhibition 2017 in Tokyo, Japan, Nov. 29, 2017. The International Robot Exhibition 2017 opened Wednesday in Tokyo. (Xinhua/Ma Ping)
A man operates a robot at the International Robot Exhibition 2017 in Tokyo, Japan, Nov. 29, 2017. The International Robot Exhibition 2017 opened Wednesday in Tokyo. (Xinhua/Ma Ping)