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Lisa Helfert delivered this presentation at TEDxPotomacLive on 2/29/12, describing how three weeks in the desert changed her. This was based on her experience photographing Andrew Smith's Bir Madhkur Project and nearby Petra. Lisa Helfert is a professional photographer. Read about her experiences in Jordan at http://lisahelfert.wordpress.com/category/jordan/. Andrew M. Smith is a professor at George Washington University.