content: I heard that it was originally adorned with the head of Anubis.  Also, I don't think that the people who carved on that head are the same people who built the pyramids or the sphynx. https://phys.org/news/2018-07-reveals-great-pyramid-giza-focus.html https://www.sciencenews.org/article/greenland-impact-crater-top-science-stories-2018-yir