Finland's Eternal Nuclear Waste Vault

Did you know Finland built a vault they hope humans NEVER open? It’s called ONKALO

— the world’s first permanent nuclear waste tomb. Buried 400 meters deep in solid bedrock,

it stores spent nuclear fuel in giant copper canisters meant to last 100,000 years.

No maintenance. No visitors. Just sealed forever. Engineers designed it to survive earthquakes,

flooding — even future ice ages. But the biggest fear? Future humans might

open it without realizing the danger. Languages die. Symbols fade. But the radiation

stays deadly for millennia. A vault built to outlast civilization itself.

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