Ключевые слова: big, bin, bins, blue, city, clean, cleaning, close, conservation, container, disposal, eco, ecological, ecology, ecosystem, environment, environmental, footprint, friendly, garbage, going, grass, green, icon, metal, nature, outdoor, park, pollution, protect, recyclable, recycle, recycling, refuse, road, rubbish, scene, sign, street, sustainability, sustainable, symbol, trash, trees, tropical, up, urban, waste, word,