When a family went on vacation, they were delighted to find what they were told was a Tibetan Mastiff puppy, which they quickly adopted. However, two years later police had to intervene when their pet grew into “something else.” Chinese Tibetan Mastiff puppy (pictured) which is the type of dog Su Mou believed her family had adopted (Credit: YouTube) A family from the city of Kunming in Yunnan province in China adopted what they thought was a Tib…