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Czech climber Adam Ondra climbing El Capitán in Yosemite National Park (lemmy.world)
submitted 1 year ago by to c/mildlyinteresting@lemmy.world
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[–] 8 points 1 year ago

In Yosemite it is illegal to use power tools so all those bolts were drilled by hand by hitting a masonry drill bit with a hammer and twisting.

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