Occurrence of Attributes in Original Text

The text related to the cultural heritage 'San Pedro de la Roca Castle, Santiago de Cuba' has mentioned 'Citadel' in the following places:
Occurrence Sentence Text Source
Supplies would be delivered by sea and then stored in the large warehouse, which was cut directly into the rock, or transported up to the top level which housed the citadel.
Construction of the citadel took 62 years, starting in 1638 and finally being completed in 1700, though work on the fortification was spasmodic.
From 1738xe2x80x931740 further work was undertaken by the engineer Antonio de Arredondo, who enlarged the citadel and completed some of the unfinished platforms, with Juan Martxc3xadn Cermexc3xb1o and Francisco Calderxc3xadn making the final changes to the structure after it was again damaged by earthquakes between 1757 and 1766.