Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Matobo Hills' has mentioned 'Oil' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Pomongwe Cave,[2] near Maleme Dam, was damaged by a preservation attempt in 1965, where linseed oil was applied to the paintings. | WIKI |
| In only one cave are the paintings badly compromised: at Pomongwe Cave, experiments were carried out in the 1920s with linseed oil as a preservative and this has darkened the images. | UNESCO |