English

40 Years Underground

Subterranea Britannica is a UK-based society for all those interested in man-made and man-used underground structures and space. Founded in 1974, the society (often known simply as Sub Brit) has grown to over a thousand members. Our interests cover all manner of underground sites, from Neolithic flint mines to nuclear bunkers. Some can be easily visited, others require more specialist training or equipment; some, sadly, no longer exist. 40 Years Underground takes a look back at the society's history, achievements and the people behind them.

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