Visitors experience services provided by a robot at the "future restaurant" on display at the China International Catering Expo at the China National Convention Center in Beijing, July 6, 2012. [Photo/Asianewsphoto]
Visitors experience services provided by a robot at the "future restaurant" on display at the China International Catering Expo at the China National Convention Center in Beijing, July 6, 2012. [Photo/Asianewsphoto]