Ключевые слова: beautiful, blue sky, bright, clean, clean energy, clear, climate, climbing, eco, ecology, energy, energysaving, environment, environmental issues, forest, fresh green, green, hayashi, housing, image, japan, kiya, leaf, leaves, ministry of energy, mountain, mountain range, natural, natural energy, park, plants, power generation, refreshing, renewable energy, residential area, scenery, solar light, solar power generation, spring, sun, sunny, sunshine, trees,