Ключевые слова: architecture, bay, blue, bridge, building, channel, cloud, complex, concrete, construction, control, dam, day, defense, engineering, entrance, exterior, facility, finland, flood, gate, gulf of finland, kronstadt, leningrad, lock, navigation, nobody, outdoor, petersburg, prevention, protection, protective, road, russia, saint petersburg, saintpetersburg, sea, ship, shipping, sky, station, summer, technology, tower, transport, transportation, urban, view, water,