Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Ħal Saflieni Hypogeum' has mentioned 'Cave' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [9] The underground structure may have originated from a natural cave, expanded over time by cutting directly into the rock with crude tools including antlers, flint, chert and obsidian. | WIKI |