The Mosque-Madrassa of Sultan Hassan is a massive mosque and madrassa located in the Old city of Cairo, it was built during the Mamluk Islamic era in Egypt. Its construction began 757 AH/1356 CE with work ending three years later "without even a single day of idleness" Al-Rifa'i Mosque is located in Cairo, Egypt, in Midan al-Qal'a, adjacent to the Cairo Citadel. The building is located opposite the Mosque-Madrassa of Sultan Hassan, which dates from around 1361, and was architecturally conceived as a complement to the older structure Ibn Tulun Mosque is the oldest, best-preserved mosque in Egypt1. It is named after the Emir Ahmed Ibn Tulun a soldier among the troops of Samarra who was promoted to rule Egypt between 868 and 883AD The Gayer-Anderson Museum is an art museum located in Cairo, Egypt. It is situated adjacent to the Mosque of Ahmad ibn Tulun in the Sayyida Zeinab neighborhood. The building takes its name from Major R.G.