sentences:  Moreover, it is shielded by the sea and, at the same time, protected from southern influences by the barrier of the great ridge.This isolation had a double effect, added to four centuries of no contact between Morocco and the Iberian Peninsula.But perhaps we should consider this entire region of northwest Morocco to be a privileged area in terms of confluences, since it combines a great diversity of natural factors with its proximity to the sea and presence on terrestrial routes.