Ключевые слова: abandoned, archaic, bad, basin, biological, brown, canal, cement, concrete, contaminants, downpour, downspout, drain, environment, flow, grass, green, gutter, heavy, house, industry, line, nobody, old, outdoor, pipe, pipeline, plant, plumber, pollutant, pouring, rain, river, sewage, sewer, sewerage, snuff, stone, stormwater, stream, tube, urban, waste, wastewater, water, wet,