PhysOrg Posted July 25, 2019 Share Posted July 25, 2019 It is six o'clock on a sweltering afternoon in the Kalahari Desert and the mercury is still hovering around 40 degrees Celsius. The arid landscape seems empty, save for a few bushes and camelthorn trees in the distance. On some of the trees, what appear to be half-constructed thatched roofs weigh down the dry branches. View the full article Quote Link to comment Share on other sites More sharing options...
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