While most of us treat dogs as friends, pets and just good fellows, a small number of people can't imagine their life without dogs. And it doesn't mean that they are obsessed with dogs - they just can't live without their help. Guide dogs are a special group of dogs who help people live a normal life just like most of us do, but what happens to such dogs when they can't be helpful anymore? Where do they go when their retirement period begins? This touching video will show you how to thank such pets.