Australia built a fence across the entire continent, called the Dingo Fence, to protect their livestock from wild dingoes. These dingoes were preying on sheep and cattle, causing huge losses for farmers. The fence, stretching over 5,600 kilometers, aimed to keep the dingoes out of southeastern Australia, where most of the farming happens. It's one of the longest structures in the world, designed to control the dingo population and safeguard agriculture. The fence has had mixed results, impacting both the environment and wildlife in various ways.

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