The secret medieval tunnels that we still don't understand
Summary
The post surveys the erdstall tunnels of central Europe, noting their extreme narrowness, single entrances, and scarcity of artefacts, which makes dating and purpose uncertain (with carbon dating suggesting 900–1200 AD in some cases). It reviews multiple speculative theories—from ritual births to pagan or Christian uses—highlighting the lack of consensus due to limited evidence. The piece emphasizes the mystery and calls for more rigorous archaeological study, while weaving in provocative cultural commentary.