Its present form comprises a total of seven concentric rectangular walled courts, culminating in an inner sanctum, and dates from the 15th and 16th centuries, after it had been liberated from Muslim invaders who had previously used it as a fortress.
The fortress is new and formed with concentric circles.
mnli hypothesis: The fortress is new and formed with concentric circles. premise: Its present form comprises a total of seven concentric rectangular walled courts, culminating in an inner sanctum, and dates from the 15th and 16th centuries, after it had been liberated from Muslim invaders who had previously used it as a fortress.