The dig's archeological team --- co-directed by UNC Charlotte professor of history Shimon Gibson, Rafi Lewis, a faculty member at the University of Haifa and Ashkelon Academic College, and James Tabor, UNC Charlotte professor of religious studies -- has revealed the rumored, but never physically detected, moat-trench the Fatamid defenders dug along the city's southern wall to protect against siege engines - a defense that contemporary accounts claim helped stymie the southern assault. Through stratigraphic evidence, the archaeologists have been able to confirm the 11th Century date of the 17-meter-wide by 4-meter-deep ditch, which abutted the Fatimid city wall (built...