Occurrence of Attributes in Original Text

The text related to the cultural heritage 'San Pedro de la Roca Castle, Santiago de Cuba' has mentioned 'Fortification' in the following places:
Occurrence Sentence Text Source
Construction of the citadel took 62 years, starting in 1638 and finally being completed in 1700, though work on the fortification was spasmodic.
Some of the structures from the earlier fortification were later incorporated into the main structure.
During their stay, they destroyed part of the fortification and captured the artillery.
A classic bastioned fortification in which geometrical form, symmetry and proportionality between sides and angles predominate, the Castle is an outstanding representative of the Spanish-American school of military architecture.
Criterion (iv):xc2xa0The Castle, a classic bastioned fortification in which geometrical form, symmetry and proportionality between sides and angles predominate, is an outstanding representative of the Spanish-American school of military architecture.Integrity