Assertion: birch's bark | /r/HasProperty | long tradition
Facets:
value: in northern europe
type: LOCATION
Source sentences:
text: Bark contains strong fibres known as bast, and there is a long tradition in northern Europe of using bark from coppiced young branches of the small-leaved lime (Tilia cordata) to produce cordage and rope, used for example in the rigging of Viking age longships.