Ключевые слова: abstract, aging, architecture, backdrop, background, block, brick, collection, concrete, construction, cracked, damaged, detail, dirty, effect, exterior, grunge, hardness, level, lithic, macro, material, obsolete, old, pattern, process, rectangle, rigidity, rock, sample, scale, scene, set, side, simplicity, solid, stability, stone, stony, structure, stuff, surface, texture, urban, wall,