Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Portuguese City of Mazagan (El Jadida)' has mentioned 'Fortification' in the following places:
Occurrence Sentence Text Source
At the present time the fortification has four bastions: the Angel Bastion in the east, St Sebastian in the north, St Antoine in the west, and the Holy Ghost Bastion in the south.
The Portuguese built a citadel in 1514, and a larger fortification in 1541.
In 1541- 1548, in accordance with the plans of the Italian architect Benedetto da Ravenna, Joao Ribeiro and Juan Castillo enlarged the citadel transforming it into a star-shaped fortification.