WondersBuilt c. 1250The Great Mosque of DjennéDjenné, MaliTrade routesc. 500 BCE – 1900 CE · by land and riverTrans-Saharan tradeThrough Koumbi Saleh, Walata, Timbuktu and 5 moreCamelsRiver boatsc. 200 BCE – today · by landDarb el-Arbaʽin (Forty Days Road)Through KobbeiCamelsNo account has been recorded yet.