Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Rock Drawings in Valcamonica' has mentioned 'Metallurgy' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| During the Copper Age (or Chalcolithic period, the 3rd millennium BC approximately-3300-2500 BC[5]), new symbols appeared, documenting the emergence of the wheel, the wagon and the first forms of metallurgy. | WIKI |