To bring a seashell to one’s ear is to give oneself to hear a whole ocean. The coloured sound ebbs and flows in interminable waves immured in the confined nacreous space. And yet what we perceive is an outside, an open space. The ear carries the listener far afield. The impression of the sea attests to the tangibility of a sound imprisoned within a shell. It is indeed the sound of the sea that we hear in the seashell. But the sound to which this listening exposes us is not an oceanic sound. On the contrary, it reveals territories scattered across the ocean, territories in the form of an archipelago…