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:
The secret of the Sahara BHL. The secret of the Sahara Kufara by Rosita Forbes with an introduction by Sir Harry Johnston with illustrations from photographs by the author and map Text Illustration biodiversitylibrary org title Forbes Rosita NOTINCOPYRIGHT Biodiversity Heritage Library PDold The secret of the Sahara Images