Of course it is great to have an opportunity to see wild animals in the Zoo. But all the same I think that animals experience discomfort. As for animals to my mind it's better to live in a wild nature. On the contrary if we don't have any Zoo we'll not have a chance to see them at all. By the way it's dangerous to meet some of them in the wild nature.
As for my region it's just the same because I live in a town and there is no place to meet wild animals except the Zoo. I've heard that animals that used to live in the Zoo will seldom survive in a wild. So it's no use to be pity for them.