Ключевые слова: aerial, arch bridge, architecture, bridge, building, city, cityscape, construction, destination, douro, douro river, duero river, editorial, europe, european, famous, historic, history, iron bridge, landmark, landscape, louis, louse i, mediterranean, monument, old, panorama, panoramic, ponte dom luiz i, port wine, porto portugal, portugal, postage, river, riverside, scenic, sea, sightseeing, sky, skyline, tourism, tourists, town, traditional, travel, travel destination, urban, view, water, waterfront,