Ключевые слова: abstract, backdrop, background, base, black, brick, broken, brown, building, cement, coarse, cobble, concrete, construction, crack, damaged, dark, design, edge, fracture, geology, grain, granite, gray, grunge, grungy, hard, marble, material, mineral, mottled, natural, nature, old, outdoor, part, pattern, red, retro, rock, rough, rubble, solid, space, spalls, stone, structure, surface, terracotta, texture, uneven, wall, wreck,