The secret medieval tunnels that we still don't understand

2 months ago

Around 2,000 mysterious narrow tunnels called erdstall have been found in central Europe, dating back to 900-1200 AD.
Erdstall tunnels are extremely narrow, sometimes as small as 16 inches in diameter, and lack archaeological evidence inside.
The tunnels have only one entrance, often located beneath churches, farmhouses, or town squares, and feature small chambers with benches or shelves.
No definitive theory explains their purpose, with suggestions ranging from escape routes to pagan rituals or Christian rebirth ceremonies.
A common feature is 'slips'—narrow sections likened to a birth canal, sparking theories of ritual rebirth experiences.
The lack of contemporary records and artifacts makes the erdstall's true purpose a lingering mystery.

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