Nuevos testimonios industriales Achelenses en el Tiris (Sáhara occidental): presentación del taller de Gnefisa Oum Agraid (Duguech)

New report the discovery of several Acheulean industrial complexes around the geographical areas of Gleb Ziza and Gnefisat, in the Tiris region (Western Sahara). In addition, we briefly describe the particular technological characterization of the spectacular workshop of Gnefisa Oum Agraid.