Before revision: At Tassili n'Ajjer, in Algeria, various Central Saharan rock art sites from the Horse Period depict charioteers, mostly upon horse-driven chariots and rarely upon cattle-driven chariots , which may have been created by ancient Berbers who are ancestors of modern groups such as the Tuareg, between 3200 BP and 1000 BP .
After revision: Between 3200 BP and 1000 BP, various Central Saharan rock art sites from the Horse Period were created depicting charioteers, mostly upon horse-driven chariots and rarely upon cattle-driven chariots ; these painted and engraved depictions were distributed in 81 painted and 120 engraved depictions in Algeria, 18 painted and 44 engraved depictions in Libya, 6 engraved depictions in Mali, 125 engraved depictions in Mauritania, 96 engraved depictions in Morocco, 29 engraved depictions in Niger, and 21 engraved depictions in Western Sahara, and were likely created by the Garamantes, whose ancestors were ancient Berbers and Saharan pastoralists .