Ключевые слова: architecture, attraction, basilica, building, buildings, catholicism, catholics, city, crowd, crowds, destination, entrance, guards, historic, historical, history, holiday, italian, italy, landmark, landmarks, musei, museum, museums, old, people, peter, pietro, pilgrims, queue, queues, religion, religious, roma, roman, rome, saint, san, security, sightseeing, street, summer, ticket, ticket office, tickets, tour, tourism, tourists, travel, vatican, vaticani, view,