1. KorbenDallas

    Mud Flood in Chattanooga, TN and Leavenworth, KS. Underground Cities and Tours.

    We clearly have multiple theories which provide possible explanations of why lower floors of the 19th, and early 20th century buildings ended up buried under up to 20 feet of mud. Whether it was a single catastrophic event, or a combination of several different ones remains to be seen. In...
  2. KorbenDallas

    Seattle SR-99 Tunnel: construction difficulties

    The Alaskan Way Viaduct replacement tunnel, also known as the SR 99 Tunnel, is a bored highway tunnel in the city of Seattle.. The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 under Downtown Seattle. Construction began in July 2013 using "Bertha", at the time the...
  3. KorbenDallas

    The Tunnel Systems of the Taliban and Co.

    I wanted to touch up on this for a while now. Every time when I hear about the intricate tunnel systems dug out by the rebel fighters in Afghanistan, Iraq, Syria, etc., I find myself laughing. Who carved them out in the rock, these guys? KD: Check out some of those tunnels, and voice your...
  4. KorbenDallas

    The Secret Tunnels of Sydney, Australia

    Well, we have at least two interesting tunnels to mention. It's not surprising any longer that these "secret" (for us) tunnels keep on popping up here and there. The thing which makes me wonder is the moment when broad masses start putting 2 and 2 together. Though in this particular case, these...
  5. KorbenDallas

    1977: Guoliang Tunnel

    It’s one thing when the true story line was changed some time in the distant past. We are (to a degree) used to the dates pertaining to the beginning of the 20th century and earlier. From this perspective 1972-1977 sounds pretty out there... I understand that China was, and still is a secretive...
  6. KorbenDallas

    1842 Croton Aqueduct Tunnels and Reservoir

    This particular complex was much more than mere tunnels, but the length of the mentioned tunnels forced me to place this article into the tunnels section of the KD SH Blog. 1889 Manual of American Water-works The Croton Aqueduct or Old Croton Aqueduct was a large and complex water...