This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Jan Kusta . Jan Kuta Czech highschool teacher geologist and paleontologist ucl cas cz php path ZlataPrahaII Zlat Praha vol iss from digitized collections of Czech Academy of Sciences UnieVilm printworks managed by Jan Vilm Custom marker AnonymousEU Uploaded with Geologists from the Czech Republic Paleontologists from