Yangyang, a humanoid robot with a variety of realistic expressions, performs during an event at a shopping mall in Shanghai, July 7, 2015. Yangyang went on display at the Global Mobile Internet Conference (GMIC) 2015 in Beijing in April. She can blink, smile, shake hands and even hug members of the audience. Japanese professor Hiroshi Ishiguro also attended the event to speak on robot development. (Photo: China News Service/Wang Gang)
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