Ключевые слова: architecture, blue hour, boat, boats, bridge, building, city, cityscape, dom luis bridge i, douro, douro river, downtown, dusk, european, evening, famous, historical, house, illuminated, illumination, landmark, miradouro da serra do pilar, night, old, port, porto, portugal, portuguese, river, sailing ship, scenic, skyline, sunset, tourism, tourist, town, travel, twilight, urban, view, vila nova de gaia, water,