A girl takes dishes delivered by the robot waiter in Haikou, capital of south China's Hainan Province, Aug. 3, 2015. A robot waiter was introduced to a restaurant in Haikou. (Photo: Xinhua/Guo Cheng)
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A girl takes dishes delivered by the robot waiter in Haikou, capital of south China's Hainan Province, Aug. 3, 2015. A robot waiter was introduced to a restaurant in Haikou. (Photo: Xinhua/Guo Cheng)
