Ключевые слова: air, airfield, airport, background, blue, building, business, circle, concrete, construction, control, copter, empty, field, flight, fly, galloway, global, grass, green, hcre, helicopter, helipad, heliport, high, horizon, landing, landscape, letter, mountain, pad, park, place, scene, sea, security, ship, sign, sky, space, symbol, system, top, transport cologique, travel, view, water, white, yellow,