Ключевые слова: architecture, blue, building, cathedral, christ, christianity, church, city, cityscape, cross, culture, day, dome, europe, exterior, famous, flower, historic, history, isaac, landmark, landscape, neva, old, orthodox, outdoor, outside, petersburg, religion, religious, russia, russian, saint, saint petersburg, saintpetersburg, sightseeing, sky, square, st, temple, tourism, traditional, travel, urban,