Built on a hill inside a Protective wall originally breached by a single gate, the maze of mud-brick buildings that Comprises the Fortress served the people of the oasis for nearly 8 centuries. The inhabitants had to live in the narrow quarters, sharing their animals, which were herded into the fortress each evening. The huge chunks of salt so prevalent in Siwa oasis were used in the constructions of the fortress, as they helped to strengthen the wall, Rain has unfortunately proved to be more destructive to the fortress than any human invaders