Photographs by Lars Tunbjork

Bunker Down

  1. Direct-Hit Secure
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    Direct-Hit Secure

    The Swedish broadband company Bahnhof leased a former World War II bunker in Stockholm five years ago to house its server farm and a staff of eight.


    During the Cold War, the bunker was classified as a nuclear "direct-hit-secure facility."

    Photographs by Lars Tunbjork
  2. Conference Room
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    Conference Room

    A soundproof glass conference room for client meetings floats over the cavern where the servers are kept, which was previously a garage for emergency vehicles.

    Photographs by Lars Tunbjork
  3. Sales Loft
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    Sales Loft

    In the 1960s, this loft space in the bunker was used for storing gas masks. Today the sales staff keep their desks there, surrounded by lots of plants to keep the air fresh.

    Photographs by Lars Tunbjork
  4. Protected by Rock
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    Protected by Rock

    There are about 30 meters of solid rock between the servers and the ground above.

    Photographs by Lars Tunbjork
  5. Space Greenhouse
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    Space Greenhouse

    The outer space greenhouse from the 1972 sci-fi film Silent Running inspired the interior design of Swedish broadband company Bahnhof's server bunker in downtown Stockholm, which features waterfalls and smoke machines adjacent the submarine engines in the entryway.

    Photographs by Lars Tunbjork
  6. Sunlight Cam
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    Sunlight Cam

    Employees inside the bunker, which gets no natural light from the outside, can see the sunlight on monitors mounted over their workspace. During winter in Stockholm, they don't have to bother.

    Photographs by Lars Tunbjork
  7. Underground Lair
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    Underground Lair

    Other movie sets from the time, like Bond villain Ernst Stavro Blofeld's lair in You Only Live Twice, influenced the design.

    Photographs by Lars Tunbjork
  8. Lunar Carpet
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    Lunar Carpet

    The carpet in the conference room shows the moon's surface.

    Photographs by Lars Tunbjork
  9. Cold War HQ
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    Cold War HQ

    Staff who are responsible for monitoring the servers work down below, where during the Cold War a nuclear-attack first-response center was headquartered.

    Photographs by Lars Tunbjork
  10. Submarine Engines
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    Submarine Engines

    Bahnhof acquired secondhand, German-made diesel submarine engines from a Swedish telecom company to use as backup power generators.

    Photographs by Lars Tunbjork