Modern university campus, clean lines, minimalist architecture, glass facade, steel frames, concrete pillars, green roof, natural light, open atrium, staircases, white walls, wooden floors, lecture hall, projector screen, empty chairs, empty tables, few students sitting, laptops open, notes scattered, professor standing, writing on the board, blackboard, chalk, eraser, softbox lighting, 3/4 composition, shallow depth of field, warm colors, afternoon sun.