Just in case we think we’re brave, or indeed gung ho, on occasion ( ok, it’s all relative I know) but how about crossing, blindfolded, by tight-rope between the two Marina City towers in Chicago?
Nik Wallendar has done just that and successfully completed back-to-back high-wire walks without a safety net or a harness.
Maybe there’s a dare-devil in every trader, but be careful of performing without a safety net.
The BBC has more pics here

Maybe there’s a tight rope walker in all of us sometimes