Humanoid robots compete in a group match of the 20th RoboCup in Leipzig, Germany, June 30, 2016. Thousands of participants from over 40 countries are competing this year in RoboCup 2016 with their humanoid soccer playing robots in Leipzig, Germany. “When established in 1997, the original mission was to field a team of robots capable of winning against the human soccer World Cup champions by 2050”, according to RoboCup. Now participants compete in five different soccer categories as well as RoboCup Rescue, which researches robotic effectiveness and usefulness to first responders. (Photo by Sebastian Willnow/EPA)





Humanoid robots compete in a group match of the 20th RoboCup in Leipzig, Germany, June 30, 2016. About 3,500 participants from 45 countries and regions compete in the robot world championship until 04 July. (Photo by Sebastian Willnow/EPA)





The team of the Technical University of Dortmund celebrates during a group match of the 20th RoboCup in Leipzig, Germany, June 30, 2016. (Photo by Sebastian Willnow/EPA)





A participant of the 20th RoboCup carries a robot that can play soccer in a hall on the fairgrounds in Leipzig, Germany, June 29, 2016. (Photo by Sebastian Willnow/EPA)





Robots that can play soccer are ready for the match at the 20th RoboCup in a hall on the fairgrounds in Leipzig, Germany, June 29, 2016. (Photo by Sebastian Willnow/EPA)





Jonathan Brast and Sina Ditzel work with a laptop on the functions of a robot that can play soccer in a hall on the fairgrounds in Leipzig, Germany, June 29, 2016. (Photo by Sebastian Willnow/EPA)





Humanoid robots compete in a group match of the 20th RoboCup in Leipzig, Germany, June 30, 2016. (Photo by Sebastian Willnow/EPA)