The city of timbuktu was known for all of the following except

The city of Timbuktu is best known for its trade in gold, salt and superior schools. Some people even called it the "Golden City" for this reason. Between the 13th and 17th centuries, Timbuktu was the center of learning in the Islamic world. This occurred due to the financial boom in growth in the city during the 13th and 14th centuries.