Inter Press Service: Two blocks from the Metro station on the busy M-1 Line, the first indication that pedestrians are slipping into the space-time continuum known as the "Free City" is the ubiquitous graffiti and occasional "boom!" of small explosive devices like M-80s echoing through the cobbled streets. Hippies, bikers and freethinkers rule here, in the largest autonomous – and what many would argue unruliest – neighbourhood in all of Scandinavia. Located on 85 acres on the grounds of a …