Ключевые слова: 3d, activity, arena, athletic, background, colorful, compete, competition, contest, empty, event, exercise, fast, field, finish, grass, green, ground, health, healthy, lane, line, modern, night, nobody, one, outdoor, pattern, race, racetrack, red, rendering, rubber, run, running, sky, speed, sport, spotlight, sprint, stadium, striped, surface, tarmac, texture, track, way, white, win,