Rocks smoothed by an alpine river. The pebbles have become rounded and smooth through the process of attrition and the rock on which they lay is shaped through abrasion. Photographed in the Verzasca Valley,Canton Ticino,Switzerland | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sambraus, Daniel |
Taille de l’image : | 4208 px × 4162 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |