Architects and urban planners can visualize the architectural features and planning techniques used in old cities. Historians can illustrate the efforts to preserve and restore ancient cities and historical sites. Educators can include these slides in their presentations to depict the economic impact of old cities, the mysteries and legends surrounding old cities, and more. Archeologists can shed light on the significant archaeological finds in old cities and their contributions to understanding history. You can also present statistics on the number of tourists visiting the old city annually.