People who are really into animals just tend to fall in love with every little creature they see. But no matter how cute all animals may seem, it is not a secret that dogs are still number one on the list of pets everyone loves to own. There won’t be any other animal who could be labelled as a “man’s best friend”. So how would you react if you suddenly realized that your dog is something completely different?

A dog in China recently grew up to 3 feet tall and gained the weight of 250 pounds in just two years! This was what made the owner Sue Yun who thought she adopted a Tibetan Mastiff a little suspicious. Even though she had heard of huge dogs, this was not the case.

This story seemed to be so significant that even National Geographic wrote an article explaining this remarkable story.

Here's what happened when Sue started examining her beloved puppy, and this is what she found out >>>