[Xinhua News, November 21]The 25th China International Hi-Tech Fair was held in Shenzhen, Guangdong Province, China from November 15 to 19, where a four-legged robot dog attracted the attention of visitors. One child was watching the robot dog dance with great interest, but was startled when it suddenly turned towards him, and ran away in a panic, creating a heartwarming scene. (c)Xinhua News/AFPBB News