Ключевые слова: architecture, basilica, bernini, building, christian, church, city, colonnade, column, europe, exterior, gray, grey, holiday, holy, interior, italian, italy, landmark, large, papal, people, peter, piazza, pietro, pope, post, religion, religious, river, rock, roman, rome, roof, round, saint, saint peters square, san, sky, skyline, square, st, statue, stone, travel, vatican, walk, world,