Tibetan mastiffs are an ancient breed long revered as adept guard dogs.Not only are they ancient dog with a rich history, dating back to nomad times in Central Asia.They have become a modern-day craze in China. The special breed of dog is becoming more and more popular across China, but besides popularity, its associated with affluence. It is viewed as a holy animal, and legend has it that Tibetan mastiffs provide their owners with a blessing to their health and security. They are independent and intelligent, and protective of their owners and their property. An 11-month-old red Tibetan mastiff has become the worlds most expensive dog after being purchased in Chinafor just over $1.5 million. Although the specifics of the sale are confidential, the seller divulged that a multi-millionaire coal baron from northern China purchased the Tibetan mastiff, affectionately called "Big Splash" or "Hong Dong" in Chinese.