For those who don't know... In about 6 hours this man is going to walk across the Grand Canyon with no harness, just the pole he uses to balance himself... And he is walking across this wire live for everyone to see... Daredevil Nik Wallenda will try not to lose focus over the drop the size of the Empire State Building that he will face... There are about 6 live feed cameras that people will be able to watch from...

http://skywire.discovery.com/live.html