The Genoese felt the need to defense the city from the sea storms and began to construct walls and builings , in the time of governor Leonello Lomellini , in 1380 , a bastiglia , also known as a citadel . The Genoese felt the need for shelter from the sea storms and in 1380 began to construct , under Governor Leonello Lomellini , a bastiglia , Italian for stronghold or citadel .