Today I Learned@lemmy.worldEnglish · 26 days ago

TIL about erdstall , more than 600 tunnel found across Europe of unknown origin but are believed to date from the Middle Ages

www.atlasobscura.com

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TIL about erdstall , more than 600 tunnel found across Europe of unknown origin but are believed to date from the Middle Ages

www.atlasobscura.com

ooli@lemmy.world to

Today I Learned@lemmy.worldEnglish · 26 days ago

We Still Don't Know Why Medieval Europeans Built Their Mysterious 'Erdstall' Tunnels

www.atlasobscura.com

Sometimes it feels like every corner of our planet has been mapped, catalogued, portioned up, explained, and generally drained of any of its mystery. Which...

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25 days ago
THATS why they left viewing slits!

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