Ключевые слова: abstract, background, baseball, blue, border, clean, concept, conceptual, day, design, fake, floral, football, frame, free, fresh, grass, green, health, landscape, layout, leaf, line, model, nature, ozone, puffy, recreation, recreational, scenic, season, shape, sky, skyline, soccer, sport, spring, square, stratosphere, style, summer, sun, tennis, texture, transparent, ultraviolet, warming, white,