Ключевые слова: abstract, aging, ancient, antique, architecture, backdrop, beautiful, bedrock, black, canyon, cement, compound, concrete, construction, crack, dirty, effect, erode, erosion, geological, gloomy, gray, grungy, layer, layered, material, monochrome, mountain, natural, nature, rock, rough, sandstone, scratched, sedimentary, solid, stone, stonewall, surface, texture, textured, wall, wallpaper, weathered,