China's strongest dog Tibetan Mastiff and American Pit Bull face off (Group Photos)

Tibetan Mastiff (Tibentan Mastiff) originated in China's Qinghai-Tibet plateau, also known as Tibetan dog, qiang dog, Bo dog, big Ni. It is believed to be between 8 and 13 million years old. The skeleton is strong, the body is strong, the roar is like thunder, and the courage is good at fighting. It's a guard dog. It's a king