Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Sassanid Archaeological Landscape of Fars Region' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
However, some of the restorations done on the structures at these sites, namely where wall facings have been applied to avoid crumbling of the core masonry, also include a large percentage of new materials, including plaster and black cement, with new stones used for the facing of the walls.