Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Rock Drawings in Valcamonica' has mentioned 'Glaciation' in the following places:
Occurrence Sentence Text Source
The earliest rock carvings date back to epipaleolithic (or Mesolithic, Proto-Camunian,[5] 8th-6th millennium BC), several millennia after the retreat of the glacier that covered the Val Camonica (Wxc3xbcrm glaciation).