Acid rain erosion. Statue (bas-relief) eroded by acid rain. Acid rain occurs when pollutants in the air,such as oxides of nitrogen and sulphur,dissolve in atmospheric water. The acids formed attack carbonate-bearing rocks such as limestone and sandstone. The acid may either fall as acid rain or form spontaneously on damp surfaces in a badly polluted area. Photographed in Venice,Italy | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CRISTINA PEDRAZZINI |
Taille de l’image : | 4381 px × 3233 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |