Sodium-vapour street lights. This type of street light produces less light pollution than traditional mercury-vapour lights | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Nunuk, David |
Bildgröße: | 5131 px × 3414 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |