A penguin-looking robot, the symbol of the popular instant messaging program QQ, moves its arms and head along with the music at the 12th China Hi-Tech Fair. The robot, developed by QQ owner Tencent Holdings and the Chinese Academy of Science, provides information on daily life and entertainment. [Photo/chinadaily.com.cn]
A robotic dolphin with the function of water quality monitoring is seen at the fair, Nov 16, 2010. The 12th China Hi-Tech Fair opened on Tuesday in Shenzhen, South China's Guangdong province. [Photo/chinadaily.com.cn]