A friend recently sent this link to me and I have watched it several times. Each time I have tears in my eyes - it's partly because this is something I have longed to do (on a smaller scale that is!) for many years (and probably never will, sigh) and also because the accompanying poem expresses her sentiments in an honest and passionate way.
Have a look:
Then have a look at:
If you're interested in more, there's also a Facebook page and soon a film and book! This journey seems to have inspired many people.