Ключевые слова: architecture, art, building, cathedral, catholic, catholicism, christian, christianity, church, city, cultural, culture, egyptian obelisk, europe, famous, historic, historical, history, holy, italian, italy, landmark, monument, obelisk, piazza, pope, religion, religious, roma, roman, rome, saint peter plaza, saint peters basilica, spiritual, spirituality, travel, vatican, vatican square,