Ключевые слова: backgrounds, bright, bulb, closeup, color, concepts, conservation, creativity, electric, electricity, environment, environmental, equipment, field, flowers, fuel, generation, glass, glowing, grass, green, growth, heat, ideas, illuminated, innovation, lamp, leaf, light, lighting, line, material, natural phenomenon, nature, outdoors, plant, power, shining, shiny, sitting, summer, sun, sunlight, sunset, supply, technology, temperature, yellow,