Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Wieliczka and Bochnia Royal Salt Mines' has mentioned 'World' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The Wieliczka salt mine, excavated from the 13th century, produced table salt continuously until 2007, as one of the world's oldest operating salt mines. | WIKI |