The shows of dolphins in water parks around the world are one of the biggest attractions to the people, it is very exciting for both children and adults to watch them closely and see the stunts they make out of water. In this video, a show at an aquarium in Vancouver, Canada, presents the skill and coordination of these cetaceans. Many question the welfare of dolphins in these places, but it is also known that in the wild they are constantly at risk of being killed or injured by their top predators: humans.