Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Archaeological Monuments Zone of Xochicalco' has mentioned 'Engraving' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [citation needed] In 1810, Alexander von Humboldt published a description and illustration of Xochicalco, based on Alzate's description and an engraving published in Mexico City in 1791. | WIKI |