Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Qhapaq Ñan, Andean Road System' has mentioned 'Iron' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [3]:638 Incas, having no iron, used a method of stone working which used simple tools, such as hammerstones, to pound the rocks in a way that the contours of the upper rock matched those of the rock below so that the seams fit perfectly without mortar. | WIKI |