Ключевые слова: abstract, asphalt, background, channel, city, closeup, cold, cover, crystal, dark, dirty, drain, drainage, flood, from, frost, frozen, grid, grill, grille, ground, hatch, hole, ice, iron, lid, manhole, melting, metal, nature, nobody, old, pattern, pavement, season, sewage, sewerage, sidewalk, snow, snowflake, steel, street, surface, system, texture, town, urban, white, winter,