We all know it's possible to train dogs to do tricks or go to work, but did you know it's also possible to train them to be polite and patient when it comes to their food? These police dogs in China show amazing discipline as they queue in a perfectly straight line, food bowls in mouths, waiting patiently for their turn to be fed. The second photo you see below shows a similar scene, however this time its Finnish border control dogs circa. the 1940's who are queuing up for their grub. Check it out!