A short walk west from the Cityel leads to Mosque of Ibn Tulun founded in 876 as the religious center of a great military compound established by Ibn Tulun who was appointed governor of Egypt in 868.
It takes an hour to walk from the Mosque of Ibn Tulun to the Cityel.
mnli hypothesis: It takes an hour to walk from the Mosque of Ibn Tulun to the Cityel. premise: A short walk west from the Cityel leads to Mosque of Ibn Tulun founded in 876 as the religious center of a great military compound established by Ibn Tulun who was appointed governor of Egypt in 868.