Ключевые слова: animal, bird, blue sky, bulldozer, clear sky, copy space, day, environment, environmental issue, equipment, excavator, february 2013 release, flying, garbage, gull, hilltop, industry, landfill, large group of animals, light, low angle view, motor vehicle, mountain, no people, nobody, numeral, orthographic symbol, outdoors, point of view, pollution, rubbish, sea bird, sea gull, sky, summit, sunlight, symbol, transport, truck, waste, waste management, water bird,