A 13,000-year-old mammoth tusk has engravings of camels fighting and being hunted, plus an image of a human with a camel’s hump on its body
Source:
https://www.newscientist.com/article/2248418-ancient-mammoth-tusk-found-in-siberia-is-engraved-with-fighting-camels/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home