Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Fuerte de Samaipata' has mentioned 'Fortress' in the following places:
Occurrence Sentence Text Source
[7] Another fortress.
The Spanish, along with Inca supporters, may have used Samaipata as a fortress and base camp as early as the 1570s, but formal Spanish settlement began in 1615 while the Chiriguanos were still threatening.