To commemorate the first edition of “Silent Day,” a fabricated holiday by Sony Argentina that celebrated the release of new Sony headphones, the Planetario Galileo Galilei was given headphones in an effort to change the cold and solid appearance of the buildng into a fun, cartoonish personage. Designed by architect Enrique Jan in 1967, some would argue that one should not use these highlights of modernism for lousy advertising. Although, we all know that brands like to use the urban space as a canvas for their messages, so why not do it in a funny way? More images and information after the break.