Two robots fight for the ball during a match of the four-legged league at the RoboCup 2006 China Open in Suzhou, east China's Jiangsu Province, Thursday, Oct. 5, 2006. Hundreds of teams from China and abroad competed at the RoboCup 2006 China Open, the soccer world cup for robots, which started Thursday, in Suzhou and will run for 4 days. [AP]

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