Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Kronborg Castle' has mentioned 'Fortifications' in the following places:
Occurrence Sentence Text Source
The convicts had been sentenced to work on the castle's fortifications.
The play has since been performed several times in the courtyard and at various locations on the fortifications.
In 1574 King Frederik II began the construction of the outstanding Renaissance castle and the surrounding fortifications, which would eventually be known as Kronborg Castle.
Throughout the years, the fortifications surrounding the castle have been altered and expanded to accommodate new arms and their ranges.
Kronborg Castle and the surrounding fortifications belong to the Danish State.