Assertion: ivory carving | /r/HasProperty | important folk art
Facets:
value: since prehistoric times
type: TEMPORAL
value: for people of the arctic
type: TRANSITIVE-OBJECT
Source sentences:
text: Walrus ivory carving and engraving has been an important folk art for people of the Arctic since prehistoric times, among them the Inuit, Inupiaq and Yupik of Greenland and North America and the Chukchi and Koryak of Russia.