Close-up black and white photograph of the exterior arcade of Al-Hakim Mosque (Masjid al-Hakim bi-Amr Allah), located at the end of Al-Muizz Street in Islamic Cairo. The image captures repeating pointed arches, thick stone piers, and traditional wall-mounted iron lanterns characteristic of Fatimid-era architecture. Al-Hakim Mosque, built between 990 and 1013 CE, is one of the oldest and most significant Fatimid mosques in Egypt, named after the Fatimid Caliph Al-Hakim bi-Amr Allah.