As night settled on the mountain cave where she lives with her mother and her last remaining younger sibling, Halima Najjar looked out at her dwindling village — a few dozen specks of light clinging to the dimming mountainside — and wondered if there would be more to her life one day.
The prospects seemed thin.
On this high, sun-bronzed crag deep in Tunisia’s southern desert, where roughly 500 Amazigh farmers and herders inhabit caves…
