In darkest Africa, or, The Quest, rescue, and retreat of Emin, governor of Equatoria / by Henry M. Stanley. https://www.rawpixel.com/image/13988277/image-person-art-skyFree Image from public domain licenseVulture on branch, isolated image https://www.rawpixel.com/image/10091064/vulture-branch-isolated-imageView licenseSouth Africa: two men and an ostrich beside a railway carriage. Photograph by Miss Stower, 1905. https://www.rawpixel.com/image/13996221/photo-image-horse-person-clothingFree Image from public domain license