Tibet Dog is the most aggressive dog in the world. Its body weight ~70 kg, length ~4 feet and height over 2 feet.  
It has very sharp hearing and sight, its front foot has 5 claws and the back foot has 4 claws. The dog's teeth are very sharp. 
Tibet Dog is the only dog dares to fight with big animals like a Leopard or 3 wolfs and win the fight.  No wonder Tibet Dog has the reputation of "Goddess Dog".
On the world dog market, the price of an adult Tibet Dog is US Dollar $40,000. - 50,000. A baby Tibet Dog worth $5,000 - 10,000.
Tibet Dog is the most faithful guard for its owner on the Tibetan Plateau. Tibetan people love and respect their dogs very much. They would never hurt any wild dogs. 
Tibet Dog is caution to strangers. When you meet it in Tibet, be careful don't touch it without the control of its owner.