Ключевые слова: architecture, blue, building, cathedral, christianity, church, colonnade, column, dome, europe, facade, faith, famous, greenery, historical, history, isaakievskiy, isaakievskiy sobor, landmark, landscape, old, orthodox, religion, russia, russian, saint isaacs cathedral, saintpetersburg, sightseeing, sky, sunny, temple, tourism, travel, tree,