Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Monuments Zone of Tlacotalpan' has mentioned 'Buffer zone' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| A xe2x80x9ctransition zonexe2x80x9d that extends across the Papaloapan River was defined in the Urban Development Plan (established in 1985 and revised in 1997) served as a buffer zone at the time of inscription. | UNESCO |