Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Qhapaq Ñan, Andean Road System' has mentioned 'Pre-Columbian' in the following places:
Occurrence Sentence Text Source
The Inca road system (also spelled Inka road system and known as Qhapaq xc3x91an[note 1] meaning "royal road" in Quechua[1]) was the most extensive and advanced transportation system in pre-Columbian South America.
Transportation was done on foot as it happened in pre-Columbian Americas where the use of wheels for transportation was not known.