Malabon Zoo and Aquarium founder Manny Tangco celebrate the World Animal Day together with a Tibetan Mastiff, the largest and most expensive dog in the world, a Samoyed from Siberia, a large dog with thick, long, white coat and an Alaskan Malamute sled dog. More than 10 pet associations and around 200 pet lovers and their pets joined the celebration held at the Malabon Zoo and Aquarium.