Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Cocos Island National Park' has mentioned 'Ravine' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Thor Heyerdahl posited that it was very unlikely that these groves developed naturally, and that pre-European man must once have cleared considerable areas in the ravine bottoms and interior plateaus and ridges, utilizing the clearings for coconut plantations of substantial extent. | WIKI |