Ksour of Ait Arbi, by Unknown Artist, 17th Century. Morocco. View of the city of Ait Arbi. The ksar ksour is a fortified village consisting of an enclosure with corner square towers and one single gate. Dwellings, storehouses, barns and a well were built on different levels along the wall enclosure, usually leaving a clear areat the center as a necessary airing source and core of daily activities. 2009 photograph.