Ключевые слова: ancient, architecture, art, basilica, cathedral, catholic, catholicism, christian, christianity, church, city, europe, faith, faithful, famous, heaven, italian, jesus, key, keys, monument, peter, pietro, place of worship, pope, religion, religious, roma, roman, rome, saint, saint peter, san pietro, square, st, st peter, statue, stpeter, vatican, vatican city, worship,