Copacabana beach is the training ground where, against the odds, one young life was to change forever.

For Rio de Janeiro isn't just about sun and sand.

As highlighted during last year's Olympic Games, the Brazilian city is also home to gritty favelas - none more notorious that Pavao-Pavaozinho, known for its gangs and drugs trade.

It is also where bodyboarding aces Matheus Bastos and Socrates Santana grew up - the latter rising above his humble origins to become a two time Junior Pro World …