Tibetan mastiff
Tibetan Mastiffs are perfect guards and defenders. They do not like guests in the house and in general nobody, except their owners. These dogs are very reliable, but they definitely need to be trained. Tibetan Mastiffs are often used to graze animals in the Himalayas and Central Asia.
One of the representatives of this breed Hong Dong became the most expensive dog in the world. Chinese coal magnate gave $ 1.5 million for this dog.
The price of Tibetan mastiff puppies is 2000-8000 dollars.