Ключевые слова: airspace, atmosphere, backgrounds, blue, break, breaking, clean, cleft, cloud, color, conceal, cover, day, discontinuity, disguise, dramatic, energy, fluffy, freedom, gap, gray, heaven, hide, high, look out, lumen, meteorology, midair, natural, nature, open, opening, outdoors, rupture, scenics, sky, slit, slot, space, stratosphere, summer, tear, vertical, view, voltage, weather, white, wide,