It is an installation made up of 23 chromed brass tubes inserted inside an empty well that allows air to circulate between the parking lot and the open space of the square through the 4 levels that separate the parking lots from the open space of the square. square. The ends of the tubes have the shape of an elephant’s trunk and, by placing the ear on these openings, it is possible to hear the sounds and words coming from the other end of the same without knowing who or what is there at that moment.