Ключевые слова: architecture, building exterior, built structure, business, business finance and industry, capital cities, city, city life, cityscape, color image, concepts, design, development, electricity, environment, environmental conservation, environmental issues, finance and economy, fuel and power generation, futuristic, green color, green technology, growth, horizontal, house, ideas, industry, innovation, lush foliage, modern, nature, no people, office building exterior, outdoors, plant, renewable energy, residential building, rooftop, sky, skyscraper, social issues, solar energy, solar panel, solar power station, sunlight, sustainable energy, sustainable resources, technology, tree,