Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Tomb of Askia' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
Relatively recent modifications to the site have included the expansion of the mosque buildings in the 1960s and mid-1970s, and the 1999 construction of a wall around the site.
The long-term specific objectives for the conservation of the Tomb of Askia are the following: redevelop the surrounding wall to include the entire prayer area and assure a better visibility of the site from the Askia Avenue and the prayer area; gradually improve the state of conservation and authenticity of the site while continuing traditional maintenance practices; assure the promotion of the site and its improved use as an educative and tourism resource.