Ключевые слова: ancient, ancient warfare, ancient weapon, artillery, artillery fort, artillery piece, bastion, bastion fortification, cannon, cannon barrel, cannon emplacement, cannon muzzle, cannonball, defense, defense system, defense wall, defensive, defensive wall, fortification, fortified bastion, historical, historical artifact, historical fort, historical military equipment, historical preservation, history, landmark, lithuania, military, military architecture, military cannon, military defense, military heritage, military technology, significance, stronghold, structure, vilnius,