Just windows into the building and stuff. [he says in a hushed voice, climbing onto a damp wood pallet to stick his arm in the garbage and rummage around. He grimaces, plucking out an empty beer bottle, and sets it down next to his foot before plunging back in.] Sensei says the top of the building is flat, and you can see the streets from high up. But there's nothing up there except pigeons.