Ключевые слова: background, be transparent, beauty, bright, clean, clear skies, copy space, early summer, ecofriendly, ecology, energy, environment, environmentally friendly, forest, fresh green, green, healing, landscape, leaves, light, look up, material, midsummer, natural, nature, negative ion, of global warming, organic, plants, refreshing, relax, solar light, spring, summer, sunbeams, sunny, the leaves, transmission, transmission light, transparency, trees, wakaba, yellowgreen, youth,