Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Kunta Kinteh Island and Related Sites' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
Fort Bullen is also bordered by the river on one side and a large open tract of land on the other, naturally serving as a buffer zone and helping to preserve its setting.
The proclamation instrument also establishes a buffer zone for all the sites that should be kept free of incompatible developments with adverse effects on their setting.