why didn't. we just guys enclosures boundaries you no longer see a cage or offense. instead we have a moat. and. the boundaries become invisible they look attractive nevertheless i feel there's no such thing as an ethical enclosure we're dealing with a captive animal that we're putting on display in a stage setting. the touches research included the history of zoo architecture the giraffe house in berlin is typical of the style popular when the zoo opened and eight hundred forty four animals were displayed like exotic museum exhibits and pagoda style buildings reminiscent of the thousand and one nights. around one thousand nine hundred call haagen back revolutionised to design scrapping bars in favor of open enclosures at his hamburg zoo flamingos prancing next to predators and peaceful coexistence on the two humanist of course we have this ideal of