To kickstart #MakeYourWorldBigger, Fred breaks out of his comfort zone by trying his hand at one of the world's most dangerous activities at 5,000ft — wing walking!
For those wanting to try Wing Walking: https://www.virginexperiencedays.co.uk
Subscribe to Discovery UK for more great clips:
http://www.youtube.com/subscription_c...
Follow Discovery UK on Twitter:
/ discoveryuk