Conservation zoos that is, not zoos that treat their animals like prisoners. Zoos should be a safe haven for animals, especially ones which are becoming endangered, and of course, humans are biggest threat causing extinction to certain species. But there's nothing that you love more than watching one of your favourite animals playing in the wide open space, well nourished and being encouraged to breed. Just know that when that curtain goes up, it's time to give that panda its privacy...