Ключевые слова: apartment, architecture, background, biology, built, clean, clipart, concept, conservation, design, door, dwelling, eco, ecology, energy, environment, environmental, estate, exterior, grass, grow, growth, home, house, housing, icon, illustration, leaf, modern, mortgage, natural, nature, organic, pollution, property, real, recycling, rent, residence, residential, shape, shelter, structure, summer, window,