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Before we begin, this audio-long read contains descriptions of torture and murder.

Welcome to The Guardian Long Read, showcasing the best long-form journalism covering culture,

politics and new thinking. For the text version of this and all our long reads, go to The Guardian.com

forward slash long read.

The Siskai Experiment, a libertarian fantasy in apartheid, South Africa, by Quinn Slobodion.

A standard globe shows an uneven mosaic of colors, pixelated more densely in Europe and Africa,

easing out to broader stretches across Asia and North America.

This is a familiar vision of the world, the one we have been taught since childhood.

Each patch of land with its own flag, its own anthem, its own national costume and cuisine.

But we make a mistake if we see the world only in this jigsaw of nations.

In fact, within each nation on numerous unusual legal spaces,

anomalous territories and peculiar jurisdictions.

...