Blez participated in many collective exhibitions, including the first "Salón Nacional de Fotografía" by the Asociación de Pintores y Escultores in Havana and, in 1934, at the "International Exposition on Photography" in Berlin, Germany.
Blez participated in many collective exhibitions by the Asociación de Pintores y Escultores in Havana and at the "International Exposition on Photography" in Berlin, Germany. This was in 1934. This was including the first "Salón Nacional de Fotografía".