Assertion: bluestone | /r/HasProperty | erected at stonehenge
Facets:
value: around 2900 bc
type: TEMPORAL
Source sentences:
text: Professor Parker Pearson and his team believe that the bluestones were erected at Stonehenge around 2900 BC, long before the giant sarsens were put up around 2500 BC.
text: That means the first bluestones were erected at Stonehenge around the time of the Amesbury Archer’s pilgrimage, lending credence to the theory that he came there to be healed.