Fez is the third largest city of Morocco, with a population of approximately 1 million. Fes was the capital of Morocco until 1925. The Medina of Fez is considered as one of the most extensive and best conserved historic towns of the Arab-Muslim world. The unpaved urban space conserves the majority of its original functions and attribute. It not only represents an outstanding architectural, archaeological and urban heritage, but also transmits a life style, skills and a culture that persist and are renewed despite the diverse effects of the evolving modern societies.