Ключевые слова: above, aerial, aerial view, architecture, areal view city, bridge, city, cityscape, destination, district of porto, dom luis, dom luis i bridge, douro, douro river, downtown, drone, europe, high angle view, historic, iron bridge, landmark, landscape, luis, oporto, panorama, panoramic, ponte, porto, porto portugal, portugal, portugal landscape, portuguese, railway, river, rooftops, scenery, skyline, top view, tourism, town, transportation, travel, urban,