across

page from: THE ILLUSTRATED LIBRARY OF THE WORLD AND ITS PEOPLES. AFRICA: NORTH AND EAST 1. (1967) “A road in the Djanet oasis of southeasternmost Algeria. Life in the Saharan oases is traditionally dependent on the date palm, the cultivation of which demands constant and exhaustive attention. Until relatively recent times, the inoffensive inhabitants of the oases were enslaved by the vigorous nomadic tribes of the Sahara who, in return for supplies of dates and grain, gave protection against other tribes.“