Watch Life on Fire online: Episode 2 Pioneers of the Deep

In the vast emptiness of the Pacific Ocean, tectonic movements construct or destroy islands. In the Tongan archipelago, two little-known animals have learnt to cope with these ephemeral lands: the sooty tern, a seabird that never dares wet its wings for fear of drowning and the Alvin shrimp, a blind crustacean that nonetheless manages to find its way around the abyss. When an underwater volcano becomes an island, the fates of these two living paradoxes are linked.

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