Keywords
absence, alternative energy, black background, close-up, color, dirt, efficiency, electricity, energy efficient lightbulb, environment, environmental conservation, environmental issues, flower pot, fuel and power generation, full length, growth, high angle view, ideas, innovation, light bulb, no people, photography, selective focus, series, shadow, shiny, single object, spiral, spot lit, studio shot, unknown, vertical, white, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 848005