Dog Carnaval – Rio Pet Parade (Video) The world famous yearly pet parade at Rio de Janiero, Brazil saw hundreds of dogs decked up in colorful costumes. The event was a blast of mind boggling music, color, and dancing. The pets donned gorgeous costumes from superheroes and clowns to ladybirds. The pet owners every year wait with lots of anticipation for this event that is celebrated with much pomp and show. There were many four legged show stoppers in the show looking perfectl..