Ключевые слова: abstract, asphalt, background, bronze, cast, circle, city, cover, detail, dirty, drain, floor, garbage, gas, grate, grid, grunge, heavy, hole, industrial, iron, lid, manhole, metal, metallic, old, pavement, road, rough, round, rust, rusty, sanitary, sewage, sewer, shape, sidewalk, steel, street, surface, texture, underground, urban, utility, water,