When the latest 007 flick Quantum of Solace exploded on the world’s screens last year, its desert climax highlighted the fact that South America is not all steaming jungles and snowcapped peaks. The continent is also the site of the most arid place on earth — the stunning Atacama Desert in northern Chile. The area is a fitting locale for part of the film’s plot, which involves the sinister Quantum organization in an attempt to…