Ключевые слова: abstract, apartment, art, biology, building, clean, concept, conceptual, conservation, construction, design, earth, eco, ecology, element, energy, environment, environmental, exterior, global, grass, green, healthy, home, house, housing, icon, illustration, information, insurance, investment, leaf, life, natural, nature, organic, plant, power, recycling, residence, residential, roof, save, shape, sign, solar, structure, symbol, window,