Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Landscape of the Pico Island Vineyard Culture' has mentioned 'Stone' in the following places:
Occurrence Sentence Text Source
The stone walls form thousands of small, contiguous, rectangular plots built to protect crops from wind and salt spray.
Criterion (v): The extraordinarily beautiful human-made landscape of small, stone walled fields is a testimony to generations of small-scale farmers who, in a hostile environment, created a sustainable living and much-valued wine.
The property is vulnerable to a number of pressures, which include the importing of stone for re-building that is not consistent with local materials.
Regional Act of Law 10 of 2002 provides four levels of protection that include two zones for stone wall-enclosed vineyards or currais xe2x80x93 the small lajidos (or broad lava flow fields) of Criaxc3xa7xc3xa3o Velha and Santaxc2xa0 Luzia, which are areas protected for their high-quality wine production.