Maghreb Arab conquest led to the ousting of the Berbers from Tunisia. Some yuzhnotunisskie tribes fled to the mountains and Jebel Dahar Abioda south Tataouine Here Berbers built a fortress of refuge, where he kept his stock and where they could take refuge in the hour of need. These buildings were built on high ground. Rectangular area around the rows and stacked like a honeycomb, fit gorfy - huge barrel-shaped storage container supplies. To most of them had to get only very steep or ladders. This store was called Ksar. The transition from Ksara to the fortress (feces) was gradual. Over time gorfy become so large that they can be hidden not only supplies, but also the people. Usually lower Ksara occurred village. In soft rocks were cut caves, to whom stone wall fenced corrals and areas for campfires. In some cases, from village to Ksara led underpass.