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Conquering a Cruel Continent for a Cause

Tech Soup

The Sahara Desert in Egypt (the hottest desert on earth). The Sahel Desert in Burkina Faso (a desert that is both hot and humid). David Barnard has completed six of these grueling races: The Kalahari Desert in Botswana and South Africa (its name is derived from a Tswana word meaning "the great thirst").