documentary interior photograph of a repurposed mid-century civil-defense bunker, concrete walls stained with decades of damp, heavy blast door with combination wheel, overhead fluorescent tubes buzzing, ten concrete-walled bay cells along the main corridor each with its own steel door and built-in wall cuff station, cold-war era ventilation ducts crossing the ceiling, dated warning signage, government-surplus chairs stacked in a corner, mothball-and-concrete atmosphere, wide documentary angle
