Product developer Martin Raak of Igus GmbH works on his computer during a photo opportunity at their headquarters in Cologne July 3, 2014. The humanoid robots, which are developed by the University of Bonn's "NimbRo" team and company Igus GmbH, will compete at annual 2014 world robotic's championship "RoboCup" taking place in Brazil from July 21 to 24. Picture taken July 3. REUTERS/Ina Fassbender (GERMANY - Tags: SOCIETY SPORT SOCCER SCIENCE TECHNOLOGY BUSINESS)