Luxurious penthouse, panoramic city views, modern sleek lines, floor-to-ceiling windows, sliding glass doors, rooftop gardens, lush greenery, vibrant flowers, water features, infinity pools, sunbathing decks, outdoor kitchens, BBQ areas, alfresco dining, soft warm lighting, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion, urban skyscrapers, bustling city streets, metropolitan atmosphere.