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Tuesday, February 17, 6:30pm. Petra was founded in the first century B.C. by an Arab tribe who created a mercantile empire that thrived for nearly a millennium. High walls and mountains protected it from plunderers. Once inside, visitors found a city of fountains, temples, and villas irrigated with a water supply system that allowed for the cultivation of crops in the desert. Take a virtual tour of this mysterious desert mecca with seasoned traveler Jessica Pociask, from WANT Expeditions based in Traverse City, MI.