Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.
There's some things you just have to live with. Like twelve cars camping outside your house, and when you wake up in the morning, they're going to follow you wherever you go. It helps that I live in Valencia. It eliminates some. But they're still here.