Examples of supposed Magdalenian writing on bony substances.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Examples of supposed Magdalenian writing on bony substances. . Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Examples of supposed Magdalenian writing on bony substances. . Wellcome Collection. Source: Wellcome Collection.