A smart robot begins to offer service to travelers at Haikou Meilan International Airport in south China's Hainan province on Jan. 7, 2016. Two robots are put into trial operation in VIP rooms and first-class lounge.(CNS photo/Luo Yunfei)
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A smart robot begins to offer service to travelers at Haikou Meilan International Airport in south China's Hainan province on Jan. 7, 2016. Two robots are put into trial operation in VIP rooms and first-class lounge.(CNS photo/Luo Yunfei)
