Some hardcore guys base jumping in wingsuits (also known as squirrel suits or birdman suits).

TSkydiving has an interesting history that can take up a whole volume, but this article will attempt to give a brief synopsis of that history. Most people consider skydiving a product of the twentieth century, but its history actually goes further back than that. The Chinese attempted parachuting in the 10th century, a thousand years before we did....

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