Criterion (iii): The old city of Aleppo reflects the rich and diverse cultures of its successive occupants. Conservation efforts within the old city have largely preserved the attributes of the Oustanding Universal Value. In 1992, the Project for the Rehabilitation of Old Aleppo was set up under the Municipality of Aleppo in cooperation with international agencies. In 1999, the Directorate of the Old City was established under the Municipality of Aleppo to guide the rehabilitation of the old city with three departments covering studies and planning; permits and monitoring, and implementation and maintenance. A comprehensive plan for the evolution of the city is being prepared by the Old City Directorate office.