To ban zoos or not to ban zoos? This is one of the most controversial question nowadays. People like to go to a zoo and watch different kinds of animals, but after visiting a zoo some of us have the sense of guilt. We start to think about small cages in which animals have to live and the separation from their natural environment. Do we start to wonder if zoos are actually protecting endangered species from extinction, because how can something protect animals by keeping them crammed up in tight places?