Participants from Mexico test and assemble a dancing robot as they prepare for a competition during the...
Participants from Mexico test and assemble a dancing robot as they prepare for a competition during the RoboCup 2015, at an exhibition centre in Hefei, Anhui province, China, July 20, 2015. Over 2,000 people have registered to join the RoboCup in Hefei this year which will be held from July 19 to July 23, local media reported. Picture taken July 20, 2015. REUTERS/Stringer