Ключевые слова: asphalt, background, cast, circle, city, concrete, construction, cover, dark, detail, dirty, drain, drainage, grate, gray, grunge, gutter, hatch, heavy, hole, industrial, industry, iron, lid, maintenance, manhole, metal, old, pattern, pavement, rain, road, rough, round, rust, rusty, sewage, sewer, sewerage, shape, sidewalk, steel, stone, street, surface, system, texture, urban, water,