The reasoning is that in Medieval Cairo, the context of a building was determined by its relationship to neighboring buildings.
Cairo | National Register of Historic Places | National Trust for Places of Historic Interest or Natural Beauty | Manhattan Project | Restoration | historic district | Bourbon Restoration | National Historic Landmark | Project Runway | Cairo University | American University in Cairo | Project Mercury | Lloyds Bank (historic) | Victorian restoration | National Trust for Historic Preservation | Monmouthshire (historic) | Meiji Restoration | Human Genome Project | The Blair Witch Project | Project Gemini | Historic counties of England | restoration | Project Greenlight | Historic district (United States) | Historic Scotland | Fort McKavett State Historic Site | Fort Davis National Historic Site | Project Nike | Cairo, Illinois | Project Blue Book |