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A passenger interacts with an intelligent robot at Hohhot East Railway Station in Hohhot, capital of north China's Inner Mongolia Autonomous Region, Jan. 22, 2019. (Xinhua/Peng Yuan)
A passenger interacts with an intelligent robot at Hohhot East Railway Station in Hohhot, capital of north China's Inner Mongolia Autonomous Region, Jan. 22, 2019. (Xinhua/Peng Yuan)