Burrows made by shrimp and worms 100 million years ago at Dinosaur Ridge, Morrison, Colorado, USA. Visitors can see hundreds of dinosaur footprints along the ridge, just west of Denver, Colorado, USA. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 6720 px × 4480 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |