Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Ashley Cooper / Zodiacs and sea kayaks being lifted off the deck of an expedition cruise ship onto the water, off South Georgia, Antarctica.

Eric Baccega / Tourists watching and photographing Grizzly bear (Ursus arctos horribilis) from a zodiac boat, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Franco Banfi / Divers on zodiac travelling to diving place, Pico Island, Azores, Portugal, Atlantic Ocean

Flip Nicklin / Tourists in zodiacs looking at icebergs, Alaska

Troels Jacobsen/Arcticphoto / Tourist zodiacs watch Subantarctic Fur Seals (Arctocephalus tropicalis) on the shore. Quest Bay, Gough Island, South Atlantic Islands, March 2007.

Bryan and Cherry Alexander / Two zodiacs full of passengers passing a glacier in Cierva Cove, Antarctica, February 2009.

Colin Monteath / Climbers look down on kayakers and tourists in zodiacs, Enterprise Island, Gerlache Strait, Antarctic Peninsula, Antarctica

Flip de Nooyer / Tourists in zodiacs tour icebergs, South Georgia Island

Ashley Cooper / Expedition cruise ship moored off Petermann Island in Lemaire Channel, tourists in zodiacs. Antarctica. December 2019.

Ashley Cooper / Tourists from expedition cruise ship in zodiacs heading towards mountains of Spert Island, Palmer Achipelago, Antarctica. December 2019.

Ashley Cooper / Tourists from expedition cruise ship on sea ice and in zodiacs. Lallemand Fjord, an area formerly covered by the Muller ice shelf which collapsed due to climate change. Antarctica. January 2020.