The cages the orderlies were trapped in and the control room.

The Aviary was an area in the Botanical Gardens where Joker had found the Titan Production Plant and had guarded from Batman. The Aviary came with two large cages that Joker used to hold two orderlies. The armed henchmen were told to guard the entrance to the plant. The operator for the cages was told by Joker if a collar went off to "send the annoying doctors to hell!" and then made a joke saying,"That's the down one, right?" After Batman was finished in the production plant, Joker killed the orderlies Batman rescued.

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