BLDG BLOG: Twisty little passages On the discovery of mysterious underground tunnels in Bavaria. #link 2011.08.26 @ 10:11 // Aux // You were reading BLDG BLOG: Twisty little passages, a link posted with comment by MacDara Conroy. It is filed under Aux and was published in August 2011. If you liked what you read here, you can follow this site on Twitter @MacDaraBlogs or via reader feed, and find many more entries in the Archive. You can also buy me a Ko-fi.