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Deserts are deceptive places. They will show you water where there is only sun-baked sand. Whole mountains will shift from once place to another within minutes; the winds will carry the sands and deposit them elsewhere. There are no roads or landmarks. You have to find your way on your own. You need expert guides if you want to cross the desert safely. Even Ibn Battuta had guides when he navigated deserts. His guide in the Sahara charged no less than a thousand mithqals of...
