Tibetan Mastiff - World's Most Expensive Dog at Animals & Pets images is easily accessible here online. Interesting images captivates the observer keenly. Find and share all latest pictures, photos with your friends and family on social media platforms. Tibetan Mastiff - World's Most Expensive Dog at Animals & Pets images has (20475 Views) (twenty thousand four hundred and seventy-five) till 04 Sep 2013.