Assertion: cave's discovery | /r/HasProperty | the cave of giant crystals
Facets:
Source sentences:
text: One of the world’s most spectacular geographical discoveries was the cave of giant crystals with its selenite crystals of a size never seen before.
text: One of the world’s most spectacular geographical discoveries was the cave of giant crystals with its selenite crystals of a size never seen before.
text: One of the world’s most spectacular geographical discoveries was the cave of giant crystals with its selenite crystals of a size never seen before.