Conquering a Cruel Continent for a Cause
Tech Soup
FEBRUARY 22, 2015
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"). The Sahel Desert in Burkina Faso (a desert that is both hot and humid). The Sahara Desert in Egypt (the hottest desert on earth).
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