Ключевые слова: bags, blue, bottle, bottles, chemical, contamination, danger, dirty, disaster, disasters, drain, dump, ecological, ecology, environment, environmental, factory, flow, garbage, germs, grass, green, health, industrial, industry, infection, landscape, liquid, natural, nature, negligence, old, outdoors, pipeline, polluted, pollution, river, rubbish, sewage, source, summer, sunny, surface, technology, toxic, trash, urban, village, waste, water,