Sleek watchtower, modernist architecture, angular lines, minimalist design, industrial metal beams, exposed ductwork, concrete foundation, cantilevered floors, floor-to-ceiling windows, transparent glass walls, open-air observation decks, steel railings, functional simplicity, brutalist aesthetic, urban cityscape, misty morning, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion.