minus-squarebmdhacks@lemmy.worldtoMildly Interesting@lemmy.world•Czech climber Adam Ondra climbing El Capitán in Yosemite National Parklinkfedilinkarrow-up7·1 day agoIn 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. linkfedilink
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.