Ключевые слова: alternative, architecture, backgrounds, blue, building, cityscape, cloud, color, computer, conservation, day, design, district, energy, environment, environmental, exterior, forest, fuel, generation, graphic, grass, green, home, illustration, landscape, meadow, modern, mountain, nature, no people, outdoors, ownership, panels, plant, power, residential, roof, rural, scene, sky, solar, structure, summer, sun, tree, trees, window,