Ключевые слова: aerial, architecture, barrier, bird eye, bird view, birdeye view, blue sky, canal, construction, delta, delta werken, delta works, deltaworks, drone, dutch, engineering, europe, flight, frame, harbor, harbour, hoek van holland, holland, industry, maeslantkering, management, netherlands, nieuwe waterweg, north sea, port, protection, rotterdam, safety, sea, ship, storm, storm barrier, storm surge, structure, summer, surge, surge barrier, traffic, transportation, view, water, waterline, waterway, waterweg, white,