Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Thracian Tomb of Sveshtari' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
[12][13] The outer stone wall, up to 4m thick, follows the edges of the peninsula and defends a territory of about 10 hectares.
The inner wall, of similar construction, encloses a roughly quadrilateral area of about 5 hectares.