Ключевые слова: above, abstract, agriculture, american football sport, american football field, backgrounds, beauty, beauty in nature, clean, cleaning, closeup, day, design element, empty, environment, environmental issues, field, freshness, full, golf, golf ball, grass, green golf course, green color, grounds, growth, herb, hong kong, horizontal, land, lawn, meadow, nature, no people, outdoors, pasture, pattern, photograph, plain, plant, playing field, public park, scenics nature, social issues, textured,