Chilly reception: The bunker, drilled into granite under the Vita Berg Park, could withstand a nuclear attack

Plant life: The offices feature lunar-landscape flooring, glass corridors and a ‘floating’ conference room

Space age: Under Swedish law, WikiLeaks founder Julian Assange cannot be prosecuted for publishing the sensitive information

Rock solid: The entrance to the Pionen high-security computer storage facility
 
Nerve centre: Super-servers which act for storage for many companies are also used by WikiLeaks to store its information