Ключевые слова: background, ball, bokeh, business, care, concept, conceptual, conservation, copy, crystal, design, earth, eco, ecology, environment, europe, field, flower, forest, fresh, friendly, glass, global, globe, grass, green, landscape, leaf, map, moss, nature, organic, peace, planet, plant, protect, protection, recycling, resources, save, space, sphere, sunlight, sustainable, symbol, travel, tree, warming, water, world,