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the altitudes are all very low, of the order of 20 m, and even less than 10 m near el biar river which limits the town to the east.
الارتفاعات كلها منخفضة جدا.في حدود 20 متر، وحتى أقل من 10 قرب وادي الأبيار الذي يحد المدينة من الشرق.