Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Pergamon and its Multi-Layered Cultural Landscape' has mentioned 'Hectares' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Until 188xc2xa0BC, it had not grown significantly since its founding by Philetaerus, and covered c. 21 hectares (52 acres). | WIKI |
| After this year, a massive new city wall was constructed, 4 kilometres (2.5xc2xa0mi) long and enclosing an area of approximately 90 hectares (220 acres). | WIKI |