Assertion: castle's tower | /r/HasProperty | bastion
Facets:
Source sentences:
text: A curtain wall is a defensive wall between two towers (bastions) of a castle, fortress, or town.
text: In contrast to typical late medieval towers, bastions (apart from early examples) were flat sided rather than curved.
text: A curtain wall is a defensive wall between two towers (bastions) of a castle, fortress, or town.