 A warehouse structure was later added on it during the 18th century, used today as a school and a carpet workshop.Below the platform, to the north, was a "sqala", a seaside fortification and artillery platform, while just 25 meters upriver from this, to the east, was the "Tower of the Corsairs", also added in the 18th century.This was a round tower with openings for 4 canons aimed at the river.