Ключевые слова: asphalt, city, concrete, cover, curb, ditch, downpour, drain, drainage, filter, flood, flooding, flow, flowing, grate, grid, grille, gutter, hole, leaf, leaves, manhole, metal, municipal, pavement, puddle, rain, rainfall, rainwater, rainy, road, roadside, sanitary, sewage, sewer, sewerage, sidewalk, sink, steel, storm, street, surface, system, urban, waste, water, wet,