Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Cologne Cathedral' has mentioned 'Flying buttresses' in the following places:
Occurrence Sentence Text Source
Externally the outward thrust of the vault is taken by flying buttresses in the French manner.
The flying buttresses and pinnacles of the Medieval east end The nave looking east Interior of the Medieval east end, showing the extreme height This "swallows' nest" organ was built into the gallery in 1998, to celebrate the cathedral's 750 years