Jaan Roose, 32, has previously made sporting history as the only athlete ever to complete a double backflip on a slackline.
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00:00My first feeling was finally to get a good deep breath of fresh air.
00:25I feel actually incredible, I didn't expect that I would walk it in three hours and because
00:32I had to be really careful with the steps and I had counted actually 15,000 steps walking
00:38over the missing straight.
01:08So