Extended Data Fig. 7: Photographs of selected Levallois tools and flakes with prepared platform.
From: Late Middle Pleistocene Levallois stone-tool technology in southwest China
q–s, Tools made on Levallois blanks. t–z, Flakes with prepared platforms. The line drawings of these artefacts are shown in Fig. 3q–z. The artefact shown in q was recovered from group A, and those shown in r and s were from group B.
