In 1965, he was commissioned by the Mexican government to create a mural for the city of Concepción, Chile, even though the project was threatened by a boycott by artists affiliated with the Generación de la Ruptura. The resulting mural was a gift to the people of that region in southern Chile who had suffered a major earthquake in 1960. The resulting work was 300m² on a wall of the Casa de la Cultura José Clemente Orozco at the Universidad de Concepción. For the university's 75th anniversary, the image was reproduced on a Chilean stamp and in 1996, it was named the most beautiful mural in the world at an event in Vienna . The work was damaged during another earthquake, this time in 2010, but restored in 2012 in a joint Mexican-Chilean effort.