Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Warsaw' has mentioned 'City walls' in the following places:
Occurrence Sentence Text Source
Surrounding streets feature medieval architecture such as the city walls, St. John's Cathedral and the Barbican which links the Old Town with Warsaw New Town.
Initially surrounded by an earthwork rampart, prior to 1339 it was fortified with brick city walls.
The reconstruction included the holistic recreation of the urban plan, together with the Old Town Market, townhouses, the circuit of the city walls, the Royal Castle, and important religious buildings.
The reconstruction project utilised any extant, undamaged structures built between the 14th and 18th centuries, together with the late-medieval network of streets, squares, and the main market square, as well as the circuit of city walls.
This World Heritage propertyxe2x80x99s boundaries encompass an entire comprehensively rebuilt portion of the city, located within the bounds of the medieval city walls and the Vistula Escarpment (including the eastern foot of this escarpment), with all of the characteristic features defining its identity.