Toadstool Park in Oglala National Grassland,Nebraska. Toadstools form because hard layers of rocks embedded within the softer layers erode more slowly,leaving ''caps'' resembling toadstools | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Steinberg, Jim |
Taille de l’image : | 3572 px × 2368 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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