Ключевые слова: arena, artificial, athletic, background, blocks, colorful, compete, contest, course, curve, day, empty, exercise, field, finish, game, ground, horizontal, lane, lifestyle, line, new, nobody, number, old, one, outdoor, paint, pattern, perspective, red, rubber, run, sport, sprint, stadium, start, striped, strong, surface, target, tartan, texture, track, training, turf, turn, two, white,