Urban tree climbing - BBC Newsnight

Jack Cooke, an urban tree climber, tells us why adults should indulge in this child-like hobby.
**********
Newsnight is the BBC's flagship news and current affairs TV programme - with analysis, debate, exclusives, and robust interviews.
Subscribe to our KZbin channel for highlights and bonus videos bbc.in/1iouM30
Follow us on Twitter @BBCNewsnight for the latest updates on #newsnight
Add us on Snapchat - our username is 'BBCNewsnight'
And follow on Facebook for our best material, an early heads up on what's coming up, and to join in our debates / bbcnewsnight