A few years ago, someone counted how many Argentinian footballers were exported in the course of a year around the world -- the answer was 2,204. The most famous today is perhaps Lionel Messi, who plays for the Spanish club Barcelona.

And now Messi's club has started sending people in the other direction -- but in this case, coaches. Last month the team sent several coaches to train young players in Buenos Aires.

Correspondent Aude Villiers-Moriamé went along.