Ключевые слова: blue, boat, buildings, city, cityscape, day, embankment, exterior, glass, gray, green, guard, house, landmark, landscape, motor, motorboat, neva, neva river, outdoor, patrol, patrolling, police, police boat, policeman, policing, quay, red, reflection, ripples, river, river police, security, ship, sky, spire, st petersburg, surface, surveillance, town, transport, transportation, travel, traveling, trees, urban, water, waterway, waves,