Before you left bank of the river is a construction of semi ruined Ksar Tatiouine .This building was built by the inhabitants of semi Tatiouine transhumant fortified construction, high, corner towers with loopholes, it has often up to four levels there are stables, living quarters. Reserves. A staircase gives access to the terrace which is both a place of residence and the place is dried or crops. Ksar was related to the existence of an extended family or several: young men marry remain in the Ksar, the population was powerful by the number of members of each family. Its influence. Its labor force and its defensive strength. Currently, the Ksar has no raison d’être, as young couples prefer to build their house. The “Tighremt” lower, it is modular and when the family needs increase. It easily adds parts.