The houses crowd together within the defensive walls, which are reinforced by corner towers. Ait-Ben-Haddou, in Ouarzazate province, is a striking example of the architecture of southern Morocco.

The houses crowd together within the defensive walls, which are reinforced by corner towers. Ait-Ben-Haddou, in Ouarzazate province, is a striking example of the architecture of southern Morocco.

Photo taken on Aug. 31, 2013 shows the Ksar Ait Ben-Haddou in Ouarzazate province, Morocco. The Ksar Ait Ben-Haddou, inscribed in UNESCO's World Heritage List in 1987, is a striking example of the ...