and to find the fun, you just need to look for the oasis, the town of san pedro de atacama.ne of the world's most remote tourist hotspots, a magnet for dirty hippies, and chilled-out dogs. ♪ ashlee: why would anyone choose to vacation at 8000 feet in the desert? well, there are glorious geysers that demand to be roamed, there are sand dunes to surf, and there are huge watering holes that no one can explain. ♪ ashlee: oddly enough, there is big business out in the atacama, too. more solar radiation reaches this desert than anywhere else in the world. this makes it the perfect place to build massive solar panel farms. if you stop by for a visit, they will put you to work washing the panels. how is my technique? good? >> [inaudible] ashlee: the tricky thing about solar energy is that it needs to be stored. i like that. and the atacama happens to have an answer for that, too. ♪ chile is one of the world's leading producers of lithium, the stuff that goes into all of our smart phones, laptops, and electric car batteries. and to see how lithium is pulled from the earth, i went to