Sixty-seven-year-old Nissim Kahlon made his home in a cave he dug, in a limestone cliff under the Apollonia National Park, on the North of the Herzliya coast, 15 kilometers north of modern Tel Aviv. For years he lived in this cave, without electricity or running water. Today the “home” that he built out of anything and everything – rocks, trash, sand – contains countless caves and tunnels, and Nissim insists on continuing to work on it every day. His work never ends. Nissim’s son, eighteen-year-...