Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Sanctuary of Machu Picchu' has mentioned 'Drainage' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| These terraces were a work of considerable engineering, built to ensure good drainage and soil fertility while also protecting the mountain itself from erosion and landslides. | WIKI |
| The terraces received so much rain that they were built by Incan engineers specifically to allow for ample drainage of the extra water. | WIKI |
| The site itself may have been intentionally built on fault lines to afford better drainage and a ready supply of fractured stone. | WIKI |