Wind turbines at research centre. Wind turbines at the National Renewable Energy Laboratory's National Wind Technology Center,near Denver,Colorado,USA. Wind turbines are used to generate electricity from the winds formed by the heating of the Earth by the Sun. They 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 on 26 December 2018. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 3413 px × 5121 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |