Ключевые слова: abstract, arena, athletic, backdrop, background, color, colorful, course, curve, field, grass, ground, health, healthy, image, line, lines, marking, number, one, orange, outdoor, pattern, perspective, plastic, race, racetrack, red, rubber, run, running, sport, sports, sprint, stadium, stadiums, structure, surface, synthetic, tartan, texture, textured, tracing, track, tracks, wallpaper, white,