UNIVERSITY^ PENN5YL\^^NL^ UBKARIES A STUDY TO IMPROVE DESALINATION METHODOLOGIES FOR THE AYYUBID CITY WALL, CAIRO Judi Ji won Moon A THESIS in Historic Preservation Presented to the Faculties ofthe University ofPennsylvania in Partial Fulfillment ofthe Requirements for the Degree of MASTER OF SCIENCE 2002 M^^VCAxyg Dr. A. Elena Charola Frank G\ Matero Professor, Historic Preservation ce Professor ofArchitecture Advisor Reader t\Aa:i<yv\9 Graduateproup Chair latero Associate Professor ofArchitecture M ^ XK^oe <=tK?:^^ / f^A /o5 / 3ooS I 'b \8 UNIVERSITY OF PENNSYLVANIA LIBRARIES To My Family