Ключевые слова: beautiful, blue sky, bright, building, building group, city, clean, clear, climate, eco, ecology, empty, energysaving, environment, environmental issues, fresh green, image, japan, kiya, landscape, leaves, ministry of energy, natural, natural energy, office, people without, photo, power generation, refreshing, renewable energy, shake, solar light, solar power generation, street arts, sun, sunny, sunshine, tokyo, wind,