Ключевые слова: backdrop, background, communications, control, course, court, cover, decoration, environment, field, floor, game, garden, global, golf, grass, green, ground, helicopter, helipad, heliport, landing, landscape, lawn, letter, mountain, outdoor, park, pattern, place, point, security, sign, sport, stop, surface, system, texture, transport, transportation, trees, turf, wallpaper, white, yard,