CHRIS SATTLBERGER / SCIENCE PHOTO LIBRARY CHRIS SATTLBERGER / SCIENCE PHOTO LIBRARY
Wind farm. Silhouetted windmill used for the generation of electricity. Wind turbines are an environmentally-friendly source of energy, as they release no toxic waste products and do not rely on a limited resource for fuel. Photographed in Andalucia, Spain.
Model release not required. Property release not required.