Chinese staff show off an automatic-piloted minisize airplane at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua/Zhao Bing]
![Chinese staff show off an automatic-piloted minisize airplane at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua/Zhao Bing]](http://images.china.cn/attachement/jpg/site1007/20090521/000d87ad3cdd0b7eee9306.jpg "Chinese staff show off an automatic-piloted minisize airplane at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua/Zhao Bing]")
