![An access controled security door protects the entrance to a server room of Deltalis data centre inside a former Swiss mlitary command bunker near Attinghausen, Switzerland September 2, 2015. Deltalis offers high An access controled security door protects the entrance to a server room of Deltalis data centre inside a former Swiss mlitary command bunker near Attinghausen, Switzerland September 2, 2015. Deltalis offers high](https://c8.alamy.com/comp/2E6G2NG/an-access-controled-security-door-protects-the-entrance-to-a-server-room-of-deltalis-data-centre-inside-a-former-swiss-mlitary-command-bunker-near-attinghausen-switzerland-september-2-2015-deltalis-offers-high-security-storage-of-data-in-server-rooms-inside-of-the-former-command-bunker-which-was-built-in-1948-picture-taken-on-september-2-2015-reutersarnd-wiegmann-2E6G2NG.jpg)
An access controled security door protects the entrance to a server room of Deltalis data centre inside a former Swiss mlitary command bunker near Attinghausen, Switzerland September 2, 2015. Deltalis offers high
![5: a) Shelter (bunker) that operates as the instrument control centre... | Download Scientific Diagram 5: a) Shelter (bunker) that operates as the instrument control centre... | Download Scientific Diagram](https://www.researchgate.net/publication/305406614/figure/fig9/AS:614367204761619@1523487964936/a-Shelter-bunker-that-operates-as-the-instrument-control-centre-and-serves-as-a-data.png)
5: a) Shelter (bunker) that operates as the instrument control centre... | Download Scientific Diagram
![The Pros and Cons of Underground Data Centers | Data Center Knowledge | News and analysis for the data center industry The Pros and Cons of Underground Data Centers | Data Center Knowledge | News and analysis for the data center industry](https://www.datacenterknowledge.com/sites/datacenterknowledge.com/files/styles/article_featured_retina/public/wp-content/uploads/2013/10/cavern-entrance.jpg?itok=j0Swjxha)
The Pros and Cons of Underground Data Centers | Data Center Knowledge | News and analysis for the data center industry
![A Cold War bunker inside Pionen White Mountain in Stockholm - a data center which used to host Wikileaks servers. Carved out of a large rock and located 30 meters below ground, A Cold War bunker inside Pionen White Mountain in Stockholm - a data center which used to host Wikileaks servers. Carved out of a large rock and located 30 meters below ground,](https://i.redd.it/438qcjuaw3r41.jpg)
A Cold War bunker inside Pionen White Mountain in Stockholm - a data center which used to host Wikileaks servers. Carved out of a large rock and located 30 meters below ground,
![The White Mountain data centre, Sweden, protects sensitive data beneath 30m of solid granite (Via /r/bunkerporn) | Bunker, Luxury safe, Server room The White Mountain data centre, Sweden, protects sensitive data beneath 30m of solid granite (Via /r/bunkerporn) | Bunker, Luxury safe, Server room](https://i.pinimg.com/736x/69/29/e7/6929e7497b733c3c24d087e5eef88e5a--stockholm-sweden-bunker.jpg)