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CHILE - JANUARY 08: Mayor Sandra Berna stands in San Pedro de Atacama, Chile, on Tuesday, Jan. 8, 2008. Tourist guide Patricia Salazar sees a marvel of nature when she looks at Chile's El Tatio geysers shooting plumes of heated white water vapor high into the air. Italy's Enel SA sees an untapped energy source. (Photo by Morten Andersen/Bloomberg via Getty Images)

CHILE - JANUARY 08:  Mayor Sandra Berna stands in San Pedro de Atacama, Chile, on Tuesday, Jan. 8, 2008. Tourist guide Patricia Salazar sees a marvel of nature when she looks at Chile's El Tatio geysers shooting plumes of heated white water vapor high into the air. Italy's Enel SA sees an untapped energy source.  (Photo by Morten Andersen/Bloomberg via Getty Images)