The present Romanesque structure was built by the Benedictines in the 12th century .
The Abbey of San Pedro el Viejo ( Spanish : Monasterio de San Pedro el Viejo ) is a former Benedictine monastery in the old town of Huesca , Aragon , Spain .
The present Romanesque structure was built by the Benedictine in the 12th century .
The Abbey of San Pedro el Viejo ( Spanish : Monasterio de San Pedro el Viejo ) is a former Benedictine monastery in the old town of Huesca , Aragon , Spain .