Occurrence of Attributes in Original Text

The text related to the cultural heritage 'The Sassi and the Park of the Rupestrian Churches of Matera' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
There is a designated buffer zone around the World Heritage property to protect the immediate surroundings of Sassi from insensitive development.
There is a need for vigilance in respect to development in the buffer zone between I Sassi and the modern town of Matera to ensure that there is no negative impact on the ancient quarters.