Ключевые слова: architecture, art, blue, building, cathedral, christianity, church, city, cityscape, classical, colonnade, column, cross, culture, cupola, dome, europe, exterior, famous, historic, history, isaac, landmark, monument, museum, old, orthodox, petersburg, religion, russia, russian, s, saint, saintpetersburg, sculpture, sky, square, st, summer, tourism, tower, traditional, travel, view,