This image showcases the architecture of a city at night in Porto, Portugal. The concrete and asphalt roads are illuminated by street lights, creating a unique atmosphere. The open spaces, parking lots, and parking garages reflect the urban infrastructure of the metropolitan area. The photo captures the structure of the city, with its lines, floors, and fixed links such as highways and lanes. The dark backdrop highlights the artificial light and creates a beautiful contrast. This photo represents the essence of Porto, a European city known for its concrete streets and vibrant nightlife.