Stéphane Pradines Aga Khan University, London icon-calendar November 24, 2015 Stéphane Pradines has worked over fifteen years with an international team on the excavations of the walls of Cairo. These excavations uncovered four closely linked structures: a first Fatimid rammed-earth wall dating 969-971 built by Ǧawhar al-Ṣiqillī (d. 381/992); a second