Highway Loop Credit: Ogilvy & Mather What am I looking at? This highway loop is just a billboard of the Hot Wheels campaign called “Curl”, created by Ogilvy & Mather in Bogotá, Colombia in 2011. More optical illusions:How many?Gravel flower bedThe eye of the towerDog LogFried Chicken TendersFight against Cervical CancerBeautiful CaterpillarSquare Fire Hydrant