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  2. Earth shelter - Wikipedia

    en.wikipedia.org/wiki/Earth_shelter

    An earth sheltered house in Switzerland (Peter Vetsch) An earth shelter, also called an earth house, earth-bermed house, earth-sheltered house, [1] earth-covered house, or underground house, is a structure (usually a house) with earth against the walls and/or on the roof, or that is entirely buried underground.

  3. Hobby tunneling - Wikipedia

    en.wikipedia.org/wiki/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]

  4. Military citadels under London - Wikipedia

    en.wikipedia.org/wiki/Military_citadels_under_London

    The bunker is located five floors underneath the Ministry of Defence (MOD) Main Building in Whitehall, in the space of an older bunker named the South Citadel. [3] [4] Construction took ten years and cost £126.3 million. Pindar became operational in 1992, two years before construction was complete.

  5. Mark Zuckerberg Is Reportedly Building an Underground Bunker ...

    www.aol.com/finance/mark-zuckerberg-reportedly...

    M eta CEO Mark Zuckerberg and his wife Priscilla Chan, co-founder and co-CEO of the Chan Zuckerberg Initiative, plan to build a 5,000-square-foot underground shelter on their Hawaii ranch with its ...

  6. Tunnel construction - Wikipedia

    en.wikipedia.org/wiki/Tunnel_construction

    Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.

  7. Why is this tiny home listed for $2M in Missouri? A secret is ...

    www.aol.com/news/why-tiny-home-listed-2m...

    On the outside, this estate that sits on 10 acres in Polo, Missouri, might look like a tiny house with a massive price tag — a $2 million one, to be exact. But looks can be deceiving, because ...

  8. Vivos (underground shelter) - Wikipedia

    en.wikipedia.org/wiki/Vivos_(underground_shelter)

    Vivos plans to convert a surplus Cold War Soviet-built underground complex of 250,000 square feet (2.3 ha) located in Rothenstein, Germany, into a luxury shelter to house up to 1,000 people, a small zoo, storage for cultural treasures, and a gene bank for reconstituting plants and animals after a possible extinction event.

  9. Black Hills Ordnance Depot - Wikipedia

    en.wikipedia.org/wiki/Black_Hills_Ordnance_Depot

    Vivos xPoint Showroom Bunker Since 2016, The Vivos group has purchased the majority of the former base containing 575 of the ordnance igloos, each approximately 2,200 square feet. The development now known as Vivos xPoint has become an international story and is currently in filming by a major cable network for an ongoing docu-series on the ...