In the past, zoos were places where we saw single animals in small, empty cages. Today zoos are changing in design; animals have more space, and some live in groups. Many zoos try to put animals in an environment that is similar to where they live in the wild. Some prople who believe in animal rights argue against having zoos, because they think it is wrong to put animals in cager. I support the idea of having zoos, Because thry allow us to see wildanimals that we cannot see otherwise, and they help endangered species from becoming extinct