Hobby tunneling

Tunnels in the complex dug by Baldassare Forestiere
The accidental discovery of one of Harrison Dyar's tunnels in 1924

Hobby tunneling is tunnel construction as a pastime.[1][2] Usually, hobby tunnelers dig their tunnels by hand, using little equipment, and some can spend years or even decades to achieve any degree of completion.[2] In some cases tunnels have been dug secretly, and only discovered by chance.

  1. ^ Goncalves, Vania (15 July 2016). "Tunnels Week on WCN: Tales from the underground". World Construction Network. Retrieved 6 June 2020.
  2. ^ a b Laskov, Sarah (9 September 2015). "The Pursuit of Personal Tunneling". Slate. Retrieved 6 June 2020.