Assertion: fortress's line | /r/HasProperty | built in late vii century
Facets:
value: with the participation of the byzantines
type: OTHER
Source sentences:
text: Anakopia fortress was built in the II - IV century, but the main line of the walls of the citadel was built in the late VII century with the participation of the Byzantines, who were worried about the invasion of the Arabs in the Abkhazian territory.