Ключевые слова: 2015, architecture, blue, bridge, building, buildings, built, cable, cablestayed, construction, elevated, engineering, futuristic, high, highway, iron, landmarks, landscape, lane, length, line, locations, multiple, nature, people, petersburg, pole, road, rod, rope, row, russia, sea, single, sky, skyway, spring, steel, striped, structure, sunshine, suspension, technology, tower, transportation, travel, traveling, walkway, water, wire,