The reason you can keep a wild creature in a zoo without it always attempting to bounce out and kill guests is that most creatures are regional. They are encased in a space that they can call their own, and the length of those outskirts are regarded, they are glad to eat, skip and mate for the diversion of gaping spectators.
In any case, that regional territory was flown by a 3-year-old kid at the Brookfield Zoo in Illinois – he was directly over the gorilla walled in area when he fell over the fence. The 18-foot drop left him oblivious and with a serious head injury. Since gorillas can be hazardously persnickety with their domain, the police were banned from quick activity – who needs to see a savage fight between a SWAT group and a gigantic crowd of gorillas? But everybody?
In this way, with a youngster in need …