🇲🇷 Mauritania · Archaeological wonder
Dhar Tagant (Tagant Plateau & Dhar Valleys)
Late Neolithic to medieval (1800 BCE–11th c CE) · Tichitt Culture / Sanhaja pastoralists
400 km intermediate cuesta with Neolithic hamlets, karkur tumuli and copper axes bridging Tichitt–Adrar Neolithic diffusion corridor.