Exposed ductwork, industrial pipes, concrete floors, metal beams, brick walls, steel frames, functional mechanical systems, minimalist aesthetics, brutalist architecture, urban cityscape, cloudy grey sky, diffused natural light, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion, weathered steel accents, rusty metal tones, distressed concrete finishes, functional staircases, industrial-style lighting fixtures.