'I can't see where I'm going, I've got an artificial hip and a plate in my ankle - but I'm walking 50 miles for charity'
"I can't see too well where I'm going, I've got an artificial hip, and a metal plate in my left ankle, but apart from that I'm in pretty good shape," jokes 81-year-old Alan Jones-Bratt as he prepares for a series of feats that would challenge many people a quarter of his age.