He did a tandem paraglide with an instructor a few years ago , and the experience lingered , so he 's back to have a go on his own .
Martin , 25 , works in advertising in London .
Martin did a tandem paraglide with an instructor a few years ago , and the experience lingered , so Martin 's back to have a go on Martin 's own .
Martin , 25 , works in advertising in London .