Ключевые слова: ancient, architecture, blue, building, cathedral, catholic, church, city, cityscape, culture, destination, europe, european, facade, faith, famous, gothic, heritage, historic, historical, history, house, landmark, medieval, monastery, monument, national, old, place, porto, portugal, portuguese, postage, religion, religious, sacred, saint, site, sky, style, tourism, touristic, tower, travel, travelling, unesco, urban, view, world,