Bab Mansour Famous worldwide, this door is one of the greatest works of Moulay Ismail, the largest in North Africa. It is ranked among the best four doors of the world, it was built by an architect Christian who had converted to Islam and whose name it bears "the Victorious Renegade" known as Mansour Laalej. the last of the doors controlled by Moulay Ismail, it was completed in 1732. It incorporates in its central themes of traditional Muslim architecture. The total height of the door is about 16m, the opening of the arc is nearly 8m. The rectangular main room of vast proportions on almost 17m 6,2 m is covered with a great vault arch of the cloister. this door has been locked in a horseshoe slightly broken, is flanked by two bastions reared arcades. On either side stands a tall column on the piers prismatic. The dominant motif is a rising curvilinear tracery in relief on the flat bottom of golden green glazed tiles. A large is beautiful inscription in cursive black topped by a line of barricades, the short length of the upper frieze. The beautiful description of it was Pierre Loti speaks for itself: "rosettes, stars, endless tangles, broken lines, geometric unimaginable combinations that confuse the eye like a game of puzzle but still reflect taste the most practiced and most original was accumulated there, with myriads of small pieces of glazed earthenware, sometimes hollow, sometimes in relief so as to give away the illusion of fabric and embroidered rebrochée, shimmer, shimmering without prices, which have stretched over these old stones just to break the boredom of those high walls. " Room Bab El Mansour, now houses an art gallery.