DescriptionMadrasa of Iljay al-Yusufi DSCF3478.jpg
English: Madrasa of Aljay al-Yusufi (or Iljay/Uljay, Ilgay, etc). The groin vault above the entrance vestibule. According to Caroline Williams ("Islamic Monuments in Cairo: The Practical Guide", 7th edition, p. 109), this is the first groin vault of this kind in Cairo.
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