Assertion: tower's structure | /r/CapableOf | create a semi-circle
Facets:
value: around the harbour
type: LOCATION
value: around jetties
type: LOCATION
Source sentences:
text: There is evidence that harbours were fortified, with wooden structures in the water creating a semi-circle around the harbour, or jetties, as seen in an artists reconstruction of Hedeby, in Denmark, with an opening for ships to access the land.