It's Like a Spaceship for Sharks

Tom Scott took a trip to The Deep, an aquarium in Hull, UK, to see what goes on behind the scenes. He found out that taking care of sharks in captivity is a lot more complicated than setting up a big saltwater tank. It requires a sophisticated life support system. You might think, "Wouldn't it be better to leave sharks in the sea?" And I would say "Yeah." But what they do is pretty interesting.