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This group discussion is for members only.

Group Description

Our members study and investigate man-made and man-used underground places— mines, railway tunnels, military defences & nuclear bunkers.

Group Rules

Welcome to the Subterranea Britannica Flickr Group!

Subterranea Britannica does not condone trespass or illegal activity of any kind.

Photos and videos which were obtained illegally or portray illegal activity are not permitted. Where this is obviously the case, we will reject your content during initial moderation or remove it after initial acceptance if we become aware of new details.

Additional Info

  • This group will count toward the photo's limit (60 for Pro members, 30 for free members)
  • Accepted content types: Photos, Videos, Images
  • Accepted safety levels: Safe
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