The Towers of control

The Towers of control

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In 1317, taking of the end of hostilities, enshrined in the of Caltabellotta in 1302 first, and the truce with the state of the in 1317, Frederick III strengthened defenses in to prevent the Anjou attack. The coastal of Sicily formed the system of sighting and along the coast of the of Sicily. They were built to curb the frequent of Barbary pirates. From each it was possible to scan the and see the next, people could send light , and smoke to send a message or call for .