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Robots dance in front of the crowd at a science museum in Lianyungang, east China's Jiangsu Province, Oct. 3, 2018, the third day of the week-long National Day holiday. (Xinhua/Si Wei)
Robots dance in front of the crowd at a science museum in Lianyungang, east China's Jiangsu Province, Oct. 3, 2018, the third day of the week-long National Day holiday. (Xinhua/Si Wei)