Stromatolites in Shark Bay,Australia,in sea water. Stromatolites,concretions of bacteria and algae,are an ancient form of life | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Thomson, B.G. |
Taille de l’image : | 3622 px × 2373 px |
Model Release : | Non requis |
Restrictions : |
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