The Azalaï, the salt caravan, in the Ténéré sandstorm. It carries Bilma's salt with it; 600 kilometres and three weeks of travel separate Bilma from Agadez. From Agadez, the salt continues towards Tahoua, Tanout and In-Gall, where it is exchanged for the products of the south. – Ténéré – Niger - 1966
