Ключевые слова: animal, background, bird, black, city, coast, concept, death, dirty, disposal, dump, eating, ecology, environment, environmental, floating, food, garbage, grey, industry, lake, litter, marine, natural, nature, outdoor, pile, plastic, pollution, pond, recycle, refuse, river, rubbish, sea, seabird, swan, toxic, trash, waste, water, white, wild, wildlife,