A worked-out Neolithic flint mine, used as a burial place
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: A worked-out Neolithic flint mine, used as a burial place. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: A worked-out Neolithic flint mine, used as a burial place. Wellcome Collection. Source: Wellcome Collection.