Extended Data Fig. 5: Photographs of selected Levallois cores.
From: Late Middle Pleistocene Levallois stone-tool technology in southwest China
a, d, f, Levallois recurrent cores. b, c, e, Levallois preferential cores. The line drawings of these artefacts are shown in Fig. 3a–f. The artefacts shown in b and c were recovered from group A.
