A member of a robotic team operates a quadruped robot walking on the tracks of a playground during an attempt to break the Guinness World Record for the farthest distance covered by a quadruped robot, at Chongqing University of Posts and Telecommunications in Chongqing, China, November 1, 2015. The robot kept walking for 134.03 kilometers (83 miles) and successfully broke the record. (Photo by Reuters/China Daily)
