Climbers say 'it's just nuts' as Alex Honnold prepares to ascend skyscraper on livestream

Rock climber Alex Honnold's attempt to climb Taiwan's tallest skyscraper with no safety gear is likely to be a nail-biter, drawing millions of viewers around the world on Friday. While some rock climbing enthusiasts in London, Ont., say they'll tune in, they will be watching with a sense of both curiosity and anxiety.