The medieval quarter of Cairo is another important aspect of the city’s history. It includes a number of Coptic Christian monuments. St. SerguisChurchwhere the Holy Family was staying in a crypt, During their flight to Egypt The Hanging Churchis built on one of the walls of the Fortress where an inscription of Amr Ibn El Ass (general of the Arab armies having Islamized Egypt) preaches the tolerance between Moslems and Christians.The Coptic Museum where we can see fine examples of Coptic craftsmanship. One can also see Synagogue Ben Ezra, with the architecture marked by Coptic and Islamic influences where precious Jewish archives were found.