Iron-rich spring. Discolouration of a fountain due to a high concentration (0.3 milligrams per litre of water or more) of iron in natural spring water. Photographed in January 2002,on Hampstead Heath,London,UK | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sauze, Francoise |
Taille de l’image : | 3435 px × 5209 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |