Source:Wildlife and Nature Pictures Tibetan Mastiff - the most expensive dog in the world. The Tibetan Mastiff is an ancient breed and type of domestic dog originating with nomadic cultures of Central Asia Unruly and raging photo~Powerful!
Meet the Russian Caucasian. This is a dog and not a bear. I certainly would not want to meet one in a dark alley! LOL The Caucasian dog is one of the oldest mastiff-type breeds, originating from the Caucasus Mountains between the Black Sea and the Ca