Buenos Aires, 10 de Junio de 2017
![Mario Chavarria](http://csbnews.org/new/wp-content/uploads/2016/06/Mario-Chavarria.jpg)
During the VI South American Transnational Championships 2016, in Medellin, we had the presence of the Master of the Bridge Videos: Mr. Mario Chavarria, who with his art documented the entire event.
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