An enormous monument has been hiding in plain sight at the World Heritage site of Petra, according to a study recently published in theBulletin of the American Schools of Oriental Research.
Archaeologists Sarah Parcak, a National Geographic fellow, and Christopher Tuttle, executive director of the Council of American Overseas Research Centers, used high-resolution satellite imagery followed by aerial drone photography and ground surveys to locate and document the structure.
They report that the monument is roughly as long as an Olympic-size swimming pool and twice as wide. It sits only about half a mile (800 meters) south of the center of the ancient city.
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