Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Rock Art of Alta' has mentioned 'Erosion' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Natural erosion and vandalism are potential threats to the carvings and paintings. | UNESCO |
| In the three other rock-carving areas there are softer rock types, and there has consequently been more erosion. | UNESCO |