Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Fuerte de Samaipata' has mentioned 'Foothills' in the following places:
Occurrence Sentence Text Source
[1] It is situated in the eastern foothills of the Bolivian Andes and is a popular tourist destination for Bolivians and foreigners alike.
There are also ruins of an Inca plaza and residences, dating from the late 15th and early 16th centuries as the Inca empire expanded eastward from the Andes highlands into the sub-tropical foothills.
The Chiriguanos were advancing from the lowlands into the Andes foothills.