Ключевые слова: abstract, asphalt, background, black, circle, circular, construction, cover, detail, dirty, drain, drainage, edge, flood, floor, goat, gray, grunge, hatch, heavy, hole, industrial, industry, iron, lid, manhole, metal, old, pattern, pavement, racket, road, round, rust, rusty, server, sewage, sidewalk, steel, stone, street, surface, texture, the city, town, underground, urban, utility, water, white,