sentences:  In contrast, Imperato (2008) estimates that the Tuareg represent around 3% of Mali's population.In antiquity, the Tuareg moved southward from the Tafilalt region into the Sahel under the Tuareg founding queen Tin Hinan, who is believed to have lived between the 4th and 5th century.The matriarch's 1,500 year old monumental Tin Hinan tomb is located in the Sahara at Abalessa in the Hoggar Mountains of southern Algeria.