Ключевые слова: ancient, architecture, beautiful, beauty, blue, building, cathedral, christianity, church, citadel, city, culture, design, empire, faith, famous, fortress, historical, history, liturgy, museum, old, orthodox, paul, peter, petropavlovsky, religion, russia, russian, saintpetersburg, sky, spb, spire, st petersburg, steeple, style, tourism, tourist, traditional, travel, urban, worship,