Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Archaeological Site of Aigai (modern name Vergina)' has mentioned 'City walls' in the following places:
Occurrence Sentence Text Source
The most important, already excavated, archaeological remains of the site are: the monumental palace (ca 340xc2xa0BC), which was the biggest and one of the most impressive buildings of classical Greece, the theatre, the sanctuaries of Eukleia and the Mother of the Gods, the city walls, the royal necropolis, containing more than 500 tumuli, dating from the 11th to 2nd century BC.