Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Blenheim Palace' has mentioned 'Castle' in the following places:
Occurrence Sentence Text Source
Blenheim Palace ("John Vanbrugh's castle air"): west facade showing the unique severe towering stone belvederes ornamenting the skyline
Vanbrugh also liked to employ what he called his "castle air", which he achieved by placing a low tower at each corner of the central block and crowning the towers with vast belvederes of massed stone, decorated with curious finials (disguising the chimneys).