Ключевые слова: abstract, architecture, background, black, block, building, built, closeup, coarsegrain, construction, geology, grain, granite, granitic, granular, gray, grey, hard, igneous, intrusive, massive, material, mineral, mineralogy, moss, natural, nature, nonpolished, old, pattern, relief, rock, rough, stone, stonewall, structure, surface, template, texture, tile, toughness, wall, wallpaper,