Ключевые слова: abstract, asphalt, background, cap, circle, circular, city, construction, cover, dark, dirty, drain, edge, flood, floor, grunge, heavy, hole, industrial, industry, iron, lid, manhole, metal, old, pattern, pavement, rim, road, rough, round, rust, rusty, sewage, sewer, sidewalk, steel, street, surface, texture, top, town, underground, urban, utility, water, white,