Last Friday, May 6th, the Fundación Tres Culturas was present at the presentation of the XX Trofeo de Natación Villa de Mairena del Aljarafe-Open Internacional de las Tres Culturas, together with the Town Hall of Mairena del Aljarafe, the Mairena Swimming Club and the Andalusian and Spanish Swimming Federations. The sporting event will take place on 28th and 29th May with the participation of swimming clubs from Portugal, Italy and Spain.