A natural pool in a tufa stream near Castel Fiori,Montegabbione in Umbria. Permanent pools are rare in streams in Umbria,which tend to be seasonal. The depth serves to ensure that in all but the hottest summers there is some water and the ecosystem is thus rich and stable | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Harcourt Davies, Paul |
Bildgröße: | 3425 px × 5157 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |