windmill, wind turbine, clouds
pinwheels, energy, electricity
windmills, rainbow, fields
science, physics, atom
lamp, light, hand
lightning, clouds, thunderstorm
energy saving, recycling, garbage
blackout, power failure, night
light bulb, energy, light
mills, castile-la mancha, windmills
windmill, field, grain
hot air balloon, ballon, ballooning
sunset, windmills, silhouettes
flame, gas, gas flame
storm, cloud, nature
