Built in 1553 and made extensive use of well-squared blocks of lava, was part of the Wall of Charles V, Emperor did make a whole wall to protect the city: they were formed by eleven bastions and seven gates of the city. But, before the eruption of Etna in 1669 and then the 1693 earthquake destroyed almost the only survivor to this day the door of Charles V, visible from the square Pardo in fish, also known as the Channel port, because it gave the thirty-six channels of the Navy of which flowed the river Amenano before flowing into the sea, even this fountain was destroyed by the eruption of 1669.