Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ancient City of Damascus' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
With an approximate area of 86.12 hectares (212.8 acres; 0.86 km2), the ancient city was enclosed within a historic wall of 4.5xc2xa0km (2.8xc2xa0mi) in circuit that was mainly built by the Romans, then fortified by the Ayyubids and Mamluks.