ancientromebuildings:Remains of Roman stronghold at Ad Pirum (Slovenia)Ad Pirum was a part of defen
ancientromebuildings:Remains of Roman stronghold at Ad Pirum (Slovenia)Ad Pirum was a part of defensive fortification system called Claustra Alpium Iuliarum located in Slovenia.The purpose of this barrier system was to protect Italian peninsula from barbarian invasions. It was bit like Limes but difference is that only strategic locations - like valleys - were fortified. Ad Pirum was one of the key forts of the system since it guarded the main road from the Balkan to Italy. More info -- source link