🇳🇪 Niger · Ancient city
Agadez & Takedda (Niger) – Air-Copper Oasis Twins
Late Medieval / Tuareg / Songhai · Tuareg (Kel Air) / Songhai tributary
Paired Saharan stations: Agadez (c.1400 Tuareg sultanate capital with 27 m mudbrick minaret) and medieval Takedda copper industrial estate (14th c, Ibn Battuta 1353: 'copper mine of Takadda') 150 km…