(BBC News) More than 20,000 crops from more than 100 nations have arrived at a "Doomsday vault" in the Arctic Circle.
The latest delivery coincides with the sixth anniversary of the frozen depository in Svalbard, which now houses more than 800,000 samples.
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The shipment includes the first offering from Japan, where collections were threatened by the devastating earthquake and tsunami in 2011.
The facility is designed to withstand all natural and human disasters.