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Contestants prepare during the 2019 World Robot Contest Finals in Baoding, north China's Hebei Province, July 26, 2019. More than 6,500 contestants took part in the contest finals which began on Friday. (Xinhua/Mu Yu)
Contestants prepare during the 2019 World Robot Contest Finals in Baoding, north China's Hebei Province, July 26, 2019. More than 6,500 contestants took part in the contest finals which began on Friday. (Xinhua/Mu Yu)