Ключевые слова: aerial, architecture, bay, blue, bridge, building, cars, causeway, citadel, clouds, concrete, dam, day, defense, europe, finland, finnish, fly, fort, fortification, from, grass, green, gulf, highway, hydraulic, island, kronshtadt, kronstadt, landmark, nature, peter, petersburg, road, russia, sea, sky, structures, summer, sun, the, top, traffic, view, wall, water,