Evidence type: Documented history
A city at the edge of the Sahara in present-day Mali that became an intellectual and spiritual capital in the 15th and 16th centuries, with the Sankore university, many Qur’anic schools and a busy trade in salt, gold and manuscripts.
Example: its three great mosques, Djingareyber, Sankore and Sidi Yahia, built of earth and regularly restored.