Ключевые слова: animal, background, black, canal, chemical, closeup, contaminate, contaminated, danger, dangerous, dead, dead fish, deadly, death, decay, dirty, disaster, ecological, ecology, ecosystem, environment, environmental, fish, fishing, float, food, garbage, harmful, lake, natural, nature, ocean, outdoors, poison, pollute, polluted, pollution, pond, problem, river, rotten, sea, sewage, shore, smell, stink, toxic, waste, wastewater, water,