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  USA: DARPA seeking post-apocalypse tunnels to test

  DARPA’s Tactical Technology Office is looking for urban, privately managed tunnels, suitable for post-global catastrophe situations. The goal is to find out how “the underground domain” affects humanity, as the request for proposals issued by the Defense Advanced Research...

  Tags: underground

  1699 days ago

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  #Seattle #Underground Guided Boring to the Rescue for Emergency Stormwater Replacement https://tunnelingonline.com/guided-boring-to-the-rescue-for-emergency-stormwater-replacement/

  Tags: Seattle, Underground

  1647 days ago