There is a difference between this
and this
the difference being that one is a circus with little to no stimulation and the other is an enclosure that has made an effort to be like the animals natural environment.
Animals in zoos aren’t made to preform and if it is a good zoo a lot of effort is made in making the enclosure a good environment for the animal.
the exact reason why most zoos and aquariums aren’t actually bad (MOST)