A massive 3,800-year-old fortress that protected the Gihon Spring was uncovered in the City of David. Photo: Eli Mandelbaum, courtesy of the Israel Antiquities Authority.Excavations around the Gihon Spring in the City of David have uncovered a massive 3,800-year-old fortress. Called the “Spring Citadel” by archaeologists, the discovery is part of a 15-year excavation led by Professor Ronny Reich of the University of Haifa and Eli Shukrun of the Israel Antiquities Authority. This enormous 18th-century B.C.E. structure that isolates and protects the Gihon Spring is believed to be the fortress described in the Book of Samuel that King David...