🇳🇪 Niger · Ancient city
Azelik (Takadda)
Medieval (10th–16th c) · Tuareg / Songhai / Hausa copper miners
15-km 600-furnace copper metropolis visited by Ibn Battuta 1353 with Kufic mosque 20 m.
🇹🇿 Tanzania · Ancient city
Kilwa Kisiwani
Swahili Coast Medieval (9th–19th c; Sultanate peak 1100–1500) · Swahili (Bantu-Arab-Persian) / Shirazi dynasty / Portuguese interlude
Swahili stone-town entrepôt (9th–19th c) controlling Indian Ocean gold trade from Sofala and Great Zimbabwe: Gereza fortress (Portuguese 1505), Great Mosque (oldest sub-Saharan mosque 1131–1770…
🇳🇪 Niger · Ancient city
Azelik Takedda Copper Smelting Field (Takedda Azelik)
Medieval Trans-Saharan (10th–15th c. CE) · Tuareg / Songhai / Sanhaja
Copper-mining metropolis visited by Ibn Battuta (1353) with 200 mine shafts.