Assertion: volcano's caldera | /r/HasProperty | filled by heaven lake
Facets:
Source sentences:
text: The eruption, whose tephra has been found in the southern part of Hokkaidō, Japan, and as far away as Greenland, destroyed much of the volcano's summit, leaving a caldera that today is filled by Heaven Lake.
text: The eruption, whose tephra has been found in the southern part of Hokkaidō, Japan, and as far away as Greenland, destroyed much of the volcano's summit, leaving a caldera that today is filled by Heaven Lake.