Ключевые слова: bridge, chemical, clean, contamination, danger, dirty, disaster, dnipro, dump, ecology, environment, environmental, flow, flowing, fluid, garbage, green, industrial, industry, junk, kiev, kyiv, natural, nature, pipe, pipeline, plant, polluter, pollution, pond, problems, protection, recycle, river, rusty, sand, sewage, sewer, stream, substance, summer, technology, toxic, tube, ukraine, urban, warming, waste, wastewater, water,