http://www.youtube.com/watch?v=-wYb3pQUk1U
Helvecio Penna is a De La Riva black belt with a unique story; he is over 50 and still competes in the adult division against some of the best black belts in the world. What else? He also works full time and helps the kids in the slums of Rio. Life can't more meaningful than that.
