Bootprint in a summer snowbank where Red Snow Algae (Chlamydomonas nivalis) are growing; alpine tundra,Rocky Mountain National Park,Colorado,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Pollock, Robert & Jean |
Taille de l’image : | 5100 px × 3364 px |
Model Release : | Non requis |
Restrictions : |
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