0 bab al-barqiyya

there are two gates with this name, one is fatmid and the other, to to its northeast,is the ayyubid one which is completely hidden in the hills of darrasa excavation showed that the fatimid gate is stuated in front of the mamluk‘s cemetery, its foundation inscription shows that the walls were renovated by amir al-guyush badr al-din al-gamali, who ordered the renovation and enlargement of cairo city and its gates which were originally founded by gawhar al-saqilli 
the gates are in the form of adouble vaulted passage separating the two arches of the vaults a vertical divider reaching the roof was used for shooting arrows or dropping burning materials on intrudera.  there are no towers attached to the gates entrance and excavtions have huge moulds were built for its construction (40cmx20cmx8cm thick) have revealed the ramains of wall of mud bricks where huge moulds using thick mortar. the wall was found at a distance of two meters from the south side of this gate, and was 3.5 meters thick with dimensions concruing with the descriptions of gawhar al-saqilli‘s wall, although it is not proven that it was built by mim. the vault covering the gate was built of cut stone