Ключевые слова: administration, architecture, avenida dos aliados, building, center, city hall, city life, city lights, cityscape, clock, dark, destination, downtown, dusk, europe, european, evening, exterior, facade, famous, government, historic, horizon, illuminated, landmark, landscape, light, light trails, municipal, nature, night, old, oporto, outdoor, place, porto, portugal, portuguese, skyline, square, sunset, tourism, tower, town, town hall, traffic, travel, twilight, urban,