Timbuktu (Timbuctoo) (Koyra Chiini: Tumbutu; French: Tombouctou) is a city in Tombouctou Region, in the West African nation of Mali. It was made prosperous by the tenth mansa of the Mali Empire, Mansa Musa. It is home to Sankore University and other madrasas, and was an intellectual and spiritual capital and centre for the propagation of Islam throughout Africa in the 15th and 16th centuries. Its three great mosques, Djingareyber, Sankore and Sidi Yahya, recall Timbuktu's golden age. Although continuously restored, these monuments are today under threat from desertification. Populated by Songhay, Tuareg, Fulani, and Mandé people, Timbuktu is about 15 km north of the Niger River. It is also at the intersection of an east–west and a north–south Trans-Saharan trade route across the Sahara to Araouane. It was important historically (and still is today) as an entrepot for rock-salt originally from Taghaza, now from Taoudenni. Its geographical setting made it a natural meeting point...