Keywords
alternative energy, built structure, close-up, color, day, differential focus, electricity, environmental conservation, environmental issues, equipment, four objects, frame, fuel and power generation, full frame, grid, high angle view, horizontal, in a row, industry, metal, no people, outdoors, part of, pattern, photography, renewable energy, repetition, science, solar cell, solar energy, solar panel, solar power station, support, technology, unknown, 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, 1162009