legs
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Amazing Dude Climbs 103 Floors On A Brain-Powered Bionic Leg
When Zac Vawter lost his right leg in a motorbike accident, he thought he would never walk properly again. Now, he’s managed to use a bionic limb, hard-wired into his nervous system, to climb 103 flights of stairs in the annual SkyRise Chicago skyscraper climbing contest.