On his search to find an answer to the question of destiny, Boltanski travelled to the north of Patagonia, where whales gather at certain periods of the year. Legend has it that whales harbour the secrets of the universe. With the help of acoustic enginners, he installed horns that are specially designed to capture the wind and emit sounds very similar to whale song. These sound objects are located in the desert and destined to disappear ; only the tale will remain behind. The screens bring together three concepts : questioning (the whales), emptiness (the lack of a response), and the image of death (the carcass).