Colin Monteath/ Hedgehog House / Kayakers paddling back to cruise ship Polar Pioneer, Lemaire Channel, Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Gentoo penguin (Pygoscelis papua) and Antarctic cruise liner 'MV Ushuaia' in Neko Harbour, Andvord Bay. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Tourists on a zodiac going past icebergs in Iceberg Alley, Pleneau Island, Antarctica

Mark Carwardine / Tourists in zodiac looking at icebergs. Antarctic Peninsula, January.

Colin Monteath / Humpback Whale (Megaptera novaeangliae) observed by tourists in a zodiac boat near Melchoir Island, Antarctic Peninsula, Antarctica

Konrad Wothe / Tourists on Russian icebreaker breaking through pack ice, Antarctica

Mitsuaki Iwago / Cruise ship in storm, Antarctica

Pete Oxford / Antarctic Penninsula and tourists in Zodiac boat. Antarctica

Ashley Cooper / Woman taking polar plunge in 2 degrees C water off an Antarctic cruise ship into sea. Antarctic Peninsula, Antarctica. February 2019.

Ashley Cooper / Chinese tourist from Antarctic expedition cruise ship taking selfie with Gentoo penguin (Pygoscelis papua) that has walked up to her. Antarctic Peninsula, Antarctica. February 2019.

Ashley Cooper / King penguins (Aptenodytes patagonicus) with passengers from an expedition cruise. Gold Harbour, South Georgia, February 2014

Ashley Cooper / King penguins (Aptenodytes patagonicus) with passengers from an expedition cruise. Salisbury Plain, South Georgia. February 2014.