Ключевые слова: ancient, apartment building, architecture, bairro da ribeira, building, cathedral, church tower, city, cityscape, crowded, dilapidated, downtown, europe, european, famous, historic, historical, homes, house, landmark, narrow, old town, oporto, outdoors, porto, portugal, portuguese, roof tiles, scene, skyline, slum, tourism, tourist attraction, town, travel destination, view,