478 - Ozeneare (Tassili-n'Ajjer). – In places where humans lived during the Neolithic period, they had to perform various grinding tasks: seeds, pigments, medicinal plants, etc. Therefore, rounded depressions are often found, replacing portable mills where the rock allows. This is the case on the floor of the habitation shown in the photo.
478 - Ozeneare (Tassili-n'Ajjer). – In places where humans lived during the Neolithic period, they had to perform various grinding tasks: seeds, pigments, medicinal plants, etc. Therefore, rounded depressions are often found, replacing portable mills where the rock allows. This is the case on the floor of the habitation shown in the photo.