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:
Qobustansalt. Salt weathering of sandstone near Qobustan Azerbaijan Petroglyphs attributed to prehistoric humans are visible on the left side of the image Photo taken by Not home Photo taken in July Not home Released into the public domain by the author Not home en original upload log page en Qobustansalt Not home bytes no