Assertion: skiing | /r/HasProperty | traced to prehistoric times
Facets:
Source sentences:
text: Skiing can be traced to prehistoric times by the discovery of varying sizes and shapes of wooden planks preserved in peat bogs in Russia, Finland, Sweden and Norway.
text: Skiing can be traced to prehistoric times by the discovery of varying sizes and shapes of wooden planks preserved in peat bogs in Russia, Finland, Sweden and Norway.