Ключевые слова: beach, city, coast, coastline, concrete, construction, development, dirty, drain, drainage, ecology, environment, environmental, flow, flowing, fluid, garbage, green, industrial, industry, liquid, nature, ocean, old, outfall, outlet, pipe, pollute, pollution, pouring, public, sea, sewage, sewer, shore, sky, storm, stream, treatment, tube, waste, water, waterway, wave, works,