MODEL RELEASED. Solar street lighting. This 'solar tree' street light has photovoltaic cells on top of its circular pads. During the day they generate electricity,which is stored in batteries underneath the seats. At dusk four of the LED (light-emitting diode) lights under the pad switch on. Photographed in Clerkenwell,London,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bond, Martin |
Bildgröße: | 3417 px × 5125 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |