Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Škocjan Caves' has mentioned 'Prehistoric' in the following places:
Occurrence Sentence Text Source
One of the largest known underground canyons in the world Examples of natural beauty with great aesthetic value Due to particular microclimatic conditions, a special ecosystem has developed The area has great cultural and historical significance as it has been inhabited since the prehistoric times A typical example of contact karst[3]
Furthermore, ongoing archaeological studies have been revealing ever more details of a very long history of human occupation since prehistoric times.