Ключевые слова: abstract, aerial, air, airfield, airport, area, background, building, business, circle, control, deck, emergency, empty, field, flight, fly, global, grass, green, h, helicopter, helipad, heliport, helispot, high, horizon, icon, landing, landmark, landscape, letter, pad, park, place, rescue, rig, rounded, scene, security, sign, sky, symbol, system, top, transport, transportation, travel, view, white,