Aerial photograph of the Grand Prismatic Pool,a hot spring in Yellowstone National Park,Wyoming,USA. The deep blue-green colouration of the water is due to algae,which bloom because of the chemical nutrients present in the spring water | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Rauch, Bonnie Sue |
Taille de l’image : | 3453 px × 5138 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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