Alghero Bastioni Marco Polo.Alghero Bastioni Marco Polo, muralla of Espital.Alghero Bastioni Pigaletta.Alghero Bastioni Pigaletta Torre Polvierera.Alghero, carrero San Francesco.Alghero Cathedral bell tower.Alghero, portal of the Cathedral of Santa Maria.Alghero, detail of a sculpture on the wall, Cathedral of Santa Maria.Alghero, Cathedral of Santa Maria, the neoclassical facade.Alghero Cathedral Santa Maria, the pulpit and the altar, the presbytery.Alghero Cathedral Santa Maria Immacolata, the Virgin lying under a veil.Alghero, architecture, arches and stairways complex.