Tombeau de la chrétienne. Vue du côté nord. (Tomb of the Christian Woman. View of the North Side.) by John Beasley Greene https://www.rawpixel.com/image/8964035/photo-image-paper-technology-womanFree Image from public domain licenseStonehenge in Salisbury Plain in Wiltshire, England. Free public domain CC0 photo. https://www.rawpixel.com/image/6017974/photo-image-public-domain-circle-freeFree Image from public domain licenseBoer War: rows of graves of enteric patients at Intombi, Ladysmith. Halftone, c. 1900, after a photograph. https://www.rawpixel.com/image/14005750/photo-image-plant-person-skyFree Image from public domain licenseBoer War: soldiers' graves at Rondesbosch decorated with floral tributes for Easter. Halftone, c. 1900, after H. S. Smith. https://www.rawpixel.com/image/13982666/image-plant-person-treeFree Image from public domain licenseBoer War: soldiers placing stones over the graves of their comrades on the Modder River. Halftone, c. 1899, after W. W.… https://www.rawpixel.com/image/13994234/image-cartoon-face-peopleFree Image from public domain license