It's an honest-to-God Underground Lair!
Sweden's largest ISP, Bahnhof, got itself a new high-security data center. A new high-security data center that can stand a direct nuclear hit. It was built as a bomb shelter back in the Cold War, and was carved about 325 feet down into living rock beneath Stockholm.
The workstations.
Waterfalls and garden.
One of the server chambers.
I have no idea what this is, but it's a fine piece of set design.
On the left, the view from the conference room. Check out the floor: it's the MOON, people.
On the right, the two German submarine engines that provide backup power. I will repeat that. SUBMARINE ENGINES. Slightly more awesome than my battery backup here.
The plan.
This is the "before" picture.
Read all about it.