Background The Atacama desert in Northern Chile is said to be one of the driest places on earth. Sparsely populated running from the Pacific Ocean to the Andes Mountains, the average width is less than 100 miles but extends some 600 miles south from the Peruvian border. The landscape is so desolate it is sometimes described as “lunar like”. Surprisingly there are small isolated oasis towns such as Pica that have existed since pre- Hispanic d

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