Assertion: vault's seed | /r/HasProperty | fahrenheit
Facets:
value: at an icy minus 0.4 degrees
type: OTHER
Source sentences:
text: Seeds stored in the Svalbard vault, which is built right into a sandstone mountain and covered in a thick layer of permafrost, are kept at an icy minus 0.4 degrees Fahrenheit (minus 18 degrees Celsius).