Ключевые слова: background, biology, bright, business, concept, creativity, cut out, design, efficiency, electricity, environment, environmental conservation, flower, fuel and power generation, futuristic, green color, growth, horizontal, icon, idea, idyllic, illuminated, illumination, illustration, image, imagination, innovation, inspiration, invention, light bulb, nature, plant, social issues, symbol, technology, vitality, white, white background,