Officials in Finland are building a nuclear waster storage facility that is designed to last for at least 100,000 years.
The facility will be underground, where nuclear waste will be stored in a series of tunnels carved from stone and bedrock.
"Work on the concept behind the facility commenced in 1970s and the repository is expected to be backfilled and decommissioned in the 2100s. None of the 40 people working on the facility today will live to see it completed.
The bunker is based around a spiraling track that will eventually be three miles long, and reach a depth of 500 meters."
Read the full story: Finland's nuclear waste bunker built to last 100,000 years
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