Ключевые слова: 2015, abstract, air, airplane paper, art, background, blue, blue sky, celebration, christmas, clouds, cloudscape, creative, december, decoration, decorative, design, flight, fly, freedom, happy, holiday, illustration, imagination, january, nature, paper, paper plane, plane, sign, sky, spring, summer, texture, transport, transportation, wallpaper, white, wing, winter, xmas, year,