ces ▁in ▁the ▁east ▁and ▁west ▁walls ▁of ▁a ▁tower ▁in ▁the ▁middle ▁of ▁the ▁northern ▁cur tain ▁wall . ▁These ▁ent ran ces ▁led ▁to ▁a ▁central ▁v ault ed ▁room ▁and ▁from ▁there ▁through ▁a ▁long ▁v ault ed ▁passage ▁before ▁reaching ▁the ▁cour ty ard . ▁This ▁large ▁gate ▁complex ▁also ▁incorpor ated ▁the ▁gate ▁structures ▁of ▁the ▁old ▁Sel ju q ▁cit adel . ▁Based ▁on ▁sty list ic ▁evidence ▁and ▁ins cri ptions ▁found ▁in ▁the ▁cit adel , ▁the ▁original ▁construction ▁of ▁the ▁A yy ub id ▁gate ▁can ▁be ▁dated ▁to ▁the ▁period ▁between ▁ 1 2 1 0 ▁and ▁ 1 2 1 2 . ▁Most ▁of ▁the ▁outer ▁gate ▁tower ▁has ▁disappeared ▁and ▁a ▁street ▁now ▁runs ▁through ▁the ▁western ▁arch ▁that ▁still ▁surv ives , ▁while ▁the ▁v ault ed ▁passage ▁that ▁led ▁into ▁the ▁cit adel ▁is ▁now ▁used ▁as ▁a ▁mos que . ▁The ▁east ▁and ▁north ▁gate ▁complex es ▁were ▁connected ▁through ▁a ▁ ▁long ▁v ault ed ▁passage ▁that ▁can ▁also ▁be ▁dated ▁to ▁the ▁reign ▁of ▁Al - Ad il . ▁ ▁The ▁eastern ▁gate , ▁constructed ▁between ▁ 1 2 1 3 ▁and ▁ 1 2 1 5 , ▁is ▁the ▁only ▁one ▁that ▁opens ▁toward ▁the ▁area ▁en closed ▁by ▁the ▁city ▁walls ▁of ▁Dam asc us . ▁It ▁is ▁located ▁in ▁one ▁of ▁the ▁cit adel ' s ▁square ▁to wers ▁and ▁protected ▁by ▁another ▁tower ▁immediately ▁south ▁of ▁the ▁gate ▁tower ▁and ▁a ▁bar