Photo taken on May 9 shows a robot playing soccer on the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua

Photo taken on May 9 shows a robot folding a towel on the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua

Photo taken on May 9 shows two robots simulating Tai Chi, or Chinese shadow boxing on the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua

The photo shows a new robot the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua

The photo shows a new robot the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua

Photo taken on May 9 shows representatives of different countries exchanging fresh ideas on the 2011 IEEE (Institute of Electrical and Electronics Engineers) International Conference on Robotics and Automation. The conference, with the theme of "robots make a better life", is being held at the Shanghai International Convention Center during May 9-13. Photo: Xinhua