Ключевые слова: abstract, background, blank, cement, concrete, design, dirty, dust, empty, floor, format, foul, gray, grey, grubby, grunge, grungy, material, messy, nasty, old, pattern, polluted, rock, rough, space, stain, stone, stripped, surface, texture, textured, tracery, unclean, unsanitary, vintage, wall, weathered,