Ochre cliffs. View of ochre-coloured sandstone rock formations. Ochres are among the earliest pigments used by mankind. They can be various yellow,brown and reddish colours,and are derived from clay that is naturally tinted due to the presence of mineral oxides. Photographed in Rousillon,France | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 3543 px × 5315 px |
Model Release : | Non requis |
Restrictions : | - |