Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Monastery of Batalha' has mentioned 'Buffer zone' in the following places:

Occurrence Sentence	Text Source
To reduce the traffic in the old main road (EN1) which crossed the sitexe2x80x99s buffer zone, a new road (A14) was built outside the property and a curtain of trees was planted to reduce possible pollution impacts on the monument.	UNESCO