Ключевые слова: abstract, architecture, backdrop, background, block, brick, brickwall, brickwork, building, castle, cement, concrete, cracked, damaged, dirty, facing, flat, fortress, framework, front, grunge, grungy, historic, material, obsolete, old, pattern, plaster, revetment, soiled, solidity, space, stone, stronghold, stucco, surface, texture, vintage, wall, wallpaper, window,