Occurrence of Attributes in Original Text

The text related to the cultural heritage 'The Dolomites' has mentioned 'Foothills' in the following places:
Occurrence Sentence Text Source
Their intrinsic beauty derives from a variety of spectacular vertical forms such as pinnacles, spires and towers, with contrasting horizontal surfaces including ledges, crags and plateaux, all of which rise abruptly above extensive talus deposits and more gentle foothills.