Ключевые слова: ancient, architecture, art, basilica, building, cathedral, ceiling, christ, christian, christianity, church, culture, cupola, decoration, dome, edifice, editorial, europe, faith, famous, fresco, god, heritage, holy, indoor, inside, interior, isaac, jesus, landmark, mosaic, museum, old, orthodox, orthodoxy, painting, petersburg, religion, russia, russian, saint, sobor, spirit, spirituality, st, temple, tourism, travel, view, worship,