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Modified artefacts. (A) The Berekhat Ram figurine, a piece of anthropogenically modified volcanic tuff from a Levantine late Acheulian layer of estimated date ∼ 250 000–280 000 BP (from Marshack, 1997). (B) Figurine-like piece of quarzite from Tan-Tan, Morocco (from Bednarik, 2003b).
