Visitors look at a humanoid 3D-print robot during the spring edition of the Hong Kong Electronics Fair in Hong Kong, China, 13 April 2016. The different parts of the robot were made on a 3D printer with an open source software. The robot can do gesture capture, 3D depth recognition and presence detection. The fair features over 3000 exhibitors from 24 countries and runs through 16 April. (Photo by Jerome Favre/AFP Photo)
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