Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Punic Town of Kerkuane and its Necropolis' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
The presence of a modern supporting wall on the cliff side aims at slowing down erosion of the site and preserving its integrity.
A supporting wall has been built against the cliff to counter the negative effect of undertow on the vestiges.