Why North African Cities Turn Inward: The Story of the Courtyard
A courtyard plan far older than Islam turned North African houses — and the medinas built from them — to face inward. Climate and religion only half-explain why, and what finally displaced the courtyard says the rest.
The blank walls and inward courtyards of Fez, Tunis, Algiers and Cairo are usually explained by heat or religion. Both are true; neither is the whole story. The clue is in what eventually pushed the courtyard out of the modern city.