Ключевые слова: abstract, ancient, artistic, background, black, bulk, coal, composition, construction, crushed, dark, design, detail, earth, earthiness, energy, environment, formation, fragment, geological, geology, heavy, industry, landscape, material, mineral, monochrome, natural, naturalism, nature, outdoor, pattern, pile, quarry, raw, resources, rock, rough, rugged, ruggedness, rustic, solid, stone, stonework, surface, terrain, texture, uneven,