Tempest: Waves crash as the ocean swells during a storm. Photographer John Weller shot the set of pictures over four trips to the Antarctic

A curious Trematomus Bernacchii fish eyeballs the cameraman as it swims next to a Clavularia glove polyp

Killer Whales: A pair of Orcas surface next to the side of an enormous iceberg
Antarctica's Ross Sea remained free from human interference until 1996 thanks mainly to its remoteness and harsh weather.
That was until commercial fishing discovered it. Now that fishery removes 3,000 tons of fish annually, threatening to destroy the world's last intact ecosystem.
John, a critically acclaimed photographer, writer and filmmaker, said: 'Each photograph for me is a cherished memory - they are meant as both a celebration and a directive.