1) Trade route 
The Azalai (Tamasheq, var. Azalay) is a semi-annual salt caravan route practiced by Tuareg traders in the Sahara desert between Timbuktu and the Taoudenni salt mine in Mali, or the act of traveling with a caravan along that route. The other major West African salt caravan route, heading from around Agadez to Fachi and Bilma in Niger, is called Tag...