This episode of 99% Invisible explores the story of the world's longest fence, built across Australia to protect sheep from predators. The fence, a colossal human intervention, didn't just safeguard livestock—it reshaped the continent's ecology, creating distinct landscapes on either side. The story reveals how a simple agricultural solution can cascade into far-reaching environmental and cultural consequences.
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Highlights
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A fence to keep predators out
The fence was originally built to separate sheep from the animals that prey on them, representing a choice to exclude predators rather than coexist.