Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Stonehenge, Avebury and Associated Sites' has mentioned 'Europe' in the following places:
Occurrence Sentence Text Source
At Avebury, the massive Henge, containing the largest prehistoric stone circle in the world, and Silbury Hill, the largest prehistoric mound in Europe, demonstrate the outstanding engineering skills which were used to create masterpieces of earthen and megalithic architecture.
Another outstanding monument, Silbury Hill, is the largest prehistoric mound in Europe.