Sleek watching towers, modernist architecture, minimalist design, clean lines, right-angled structures, steel frames, glass fa\u00e7ades, cantilevered roofs, open floor plans, industrial materials, exposed ductwork, metal railings, functional simplicity, urban cityscape, cloudy grey sky, dramatic shading, high contrast lighting, 1/1 composition, symmetrical framing, deep depth of field, realistic reflections.