The cables.  This it two cables, about 3/4 inch thick, and strung up this mountain with a post every 10 feet or so.  Amazingly, I didn't see one person that started up the mountain, that turned back.  It gets to and angle of about 60 degrees, that's just my rough calculation, and I suck at math.  It's really steep all the same.  Let go, or slip off the cables... well, as long as I tried to wait, no one did.  So I think it's a rare occurrence.  But I speculate that the best thing that could happen is that you would die.  It's really high up there.

TO THE TOP! (Of the dome, not the page)