Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Town of Bamberg' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
The legal basis for the whole of the World Heritage property and the Buffer Zone is manifested in the Bavarian Preservation of Monuments Act.
The boundaries of the Town Ensemble, the World Heritage property and the Buffer Zone are officially included in the land use plan.
A study of visual axes will be the basis for an enlargement of the Buffer Zone.