Ключевые слова: backdrop, background, ballast, black, blue, boulder, brick, building, cement, color, concrete, construction, crushed, details, fine, floor, granite, gravel, gray, grey, grit, ground, grunge, hard, industrial, macadam, material, monotone, natural, nature, old, outdoors, pattern, pebble, pieces, road, rock, rough, shape, small, stone, surface, texture, textured,