Settling Ponds,sewage treatment plant. Settling ponds are used to remove the large debris before further purification processes are done | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Degginger, Phil |
Bildgröße: | 5464 px × 3588 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|