"Was he alone? Was it everyone?" - Franz Kafka, The Trial
Ah, life without privacy. What a quaint concept from some place "over there," Soviet Russia, North Korea, somewhere else. We'd never have to worry about that here. Right?
The design is a pattern of doors. Behind them, endless hallways and beaurocratic offices. Light floods through an open door. An exit? The light reveals the shadow cast by a surveillance camera. Or perhaps all the doors are surveillance cameras.