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

Brent Stephenson / Humpback whale fin (Megaptera novaeangliae) with cruiseship passengers watching from a zodiac, Admiralty Island, Alaska, United States, July. No release available.

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.

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.

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets photograph seabirds from zodiac boat on tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets photograph Gannet colony from zodiac boat on tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011. Di...

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets in zodiac boat for seabird safari tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011

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

Bryan and Cherry Alexander / Zodiac filled with tourists seen through ice arch in an iceberg, Pleneau Island, Antarctica, February 2009.

Brent Stephenson / Steller's Sea Lions (Eumetopias jubatus) resting on rocks above the tideline. Zodiac with tourists watching in the background. The Brothers, Alaska, United States, July.

Tui De Roy / Glacier with tourist expedition in inflatable zodiac, southern Greenland Fjords, Greenland

Yva Momatiuk & John Eastcott / Red rubber boat with two expedition members circle floating iceberg, summer season, Labrador Sea, Labrador, Canada

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

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

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near tourists, Monterey Bay, California

Rick Price / Tourists in zodiac on Cyclone Creek. Talbot Bay, The Kimberley, Western Australia. 2015.

Rick Price / Zodiac boat with tourists approaching site of waterfalls of King George River, during dry season. Koolama Bay, The Kimberley, Western Australia. July 2015.

Ralph Pace / Tourists and calving glacier, South Sawyer Glacier, Alaska

Ashley Cooper / Zodiac full of passengers from an expedition cruise watching emale Antarctic fur seal (Arctocephalus gazella) at Salisbury Plain, South Georgia, Southern Ocean.

Ashley Cooper / Members of an expedition cruise to Antarctica in a Zodiac in Fournier Bay, Gerlache Strait, Antarctic Peninsula.

Ashley Cooper / Members of an expedition cruise to Antarctica in a Zodiac with sea kayaks, Fournier Bay, Gerlache Strait, Antarctic Peninsula.

Ashley Cooper / Members of an expedition cruise to Antarctica in a Zodiac with sea kayaks, Fournier Bay, Gerlache Strait, Antarctic Peninsula.

Franco Banfi / Man in zodiac looking at stalactites and stalagmites at Venice Pier, Krizna Jama / Cross cave, Bloska Polica, Loz valley, Slovenia. May 2018.

Theo Allofs / Polar Bear (Ursus maritimus) and tourists, Svalbard, Norway

Franco Banfi / Blacktip reef shark (Carcharhinus melanopterus) under the Zodiac, Aldabra Atoll, Natural World Heritage Site, Seychelles, Indian Ocean.

Jami Tarris / Tourists and glacier, Spitsbergen, Svalbard, Norway

Jami Tarris / Tourists and glacier, Spitsbergen, Svalbard, Norway

Espen Bergersen / Humpback whales (Megaptera novaeangliae) lunge feeding on herring (Clupea harengus) being watched by tourists in Zodiac boat very close, Kvaloya, Troms, Norway, November

Terry Whittaker / Inflatable boat picking residents up from Summer houses, Hornstrandir, Iceland. July

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) group migrating upstream with zodiac above, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Franco Banfi / Zodiac with divers leaving the M. Y. Galapagos Aggressor 1 liveaboard, North Seymour Island, Galapagos Islands, East Pacific Ocean

Franco Banfi / Group of Scuba divers on a zodiac RIB, Santa Maria Small lighthous at Formigas Islet, Azores, Portugal, Atlantic Ocean, October 2012.

Flip Nicklin / Gray Whale (Eschrichtius robustus) curious calf spyhopping near whale watching boat, Magdalena Bay, Baja California, Mexico

Richard Herrmann / Tourists in zodiac approaching coastline, Cedros Island, Baja California, Mexico

Tim Laman / Tourists watching group of young Antarctic fur seals (Arctocephalus gazella) from Zodiac boat, Cooper Bay, South Georgia, February 2011.

Tim Laman / Zodiac boat carrying tourists back to the expedition ship 'National Geographic Explorer' over a rough sea in the bay of Half Moon Island, South Shetland Islands group, Antarctica, February 2011.

Tim Laman / Tourists taking pictures on a zodiac boat ride, Neko Harbor, Andvord Bay, Antarctica, February 2011.

Peter Cairns / Tourists photographing a Polar bear (Ursos maritimus) from zodiac boat, Svalbard, Norway, August 2011.

Peter Cairns / Tourists getting out of zodiac in to MS Origo, Svalbard, Norway, August 2011.

Charlie Summers / The Comet C/2012 S1 (ISON) travelling past the constellation leo, seen from eastern Colorado, 2nd November 2013 from eastern Colorado. The bright star to the left is Sigma Leo.

Enrique Lopez-Tapia / Tourists disembarking from zodiac boat with Antarctic cruise liner 'MV Ushuaia' in the background Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Tourists on zodiac boat with Antarctic cruise liner 'MV Ushuaia' in the background Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Antarctic fur-seal (Artocephalus gazella) on an ice floe being watched by tourists in a zodiac boat, Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Zodiac boat with curious leopard seal (Hydrurga leptonyx) Wilhelmina Bay, Gerlache Strait. Antarctic Peninsula, Antarctica.

Matthias Breiter / Gentoo Penguin (Pygoscelis papua) porpoising in front of zodiak with tourists, Neko Harbor, Antarctic Peninsula, Antarctica

Franco Banfi / Zodiac boat exploring the islands of Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Eric Baccega / Tourists watching and photographing Grizzly bear (Ursus arctos horribilis) from a zodiac boat, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June 2013.

Eric Baccega / Photographer Eric Baccega photographing a Grizzly (Ursus arctos horribilis) from a zodiac boat, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June 2013.

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

Flip Nicklin / Tourists viewing Dawes Glacier from zodiac, Endicott Arm, southeast Alaska

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

Franco Banfi / Tractor towing t zodiac to the water for whale watching encounter, Puerto Piramides, Golfo Nuevo, UNESCO Natural World Heritage Site, Peninsula Valdes, Chubut, Patagonia, Argentina, October 2007

Staffan Widstrand / Ecotourists photographing Polar Bear (Ursus maritimus) swiming at sea surface, Svalbard, Norway, July 2011

Peter Cairns / Colony of Brunnich's Guillemots (Uria lomvia) with tourist zodiac boat, Svalbard, Norway, June 2007

Peter Cairns / Brunnich's Guillemots (Uria lomvia) very close to tourist photographers in inflatable boat, Svalbard, Norway, June 2007

Konrad Wothe / Zodiac boat with tourists at Elephant Island. Raft of Cape Petrels, (Daption capense) on surface, South Shetland Islands, Antarctic Peninsula, Antarctica. February.

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) surfacing near zodiac full of tourists, Antarctic Peninsula, Antarctica

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group going to sea with tourists nearby, St Andrew's Bay, South Georgia Island

Flip Nicklin / Gray Whale (Eschrichtius robustus) calf being touched by tourist, Baja California, Mexico

Flip Nicklin / Tourists in zodiacs looking at icebergs, Alaska

Nick Garbutt / Tourists in zodiac boat at the mouth of the Sekonyer River about to enter Tanjung Puting National Park, on the way to Camp Leakey near Kumai, Kalimantan, Borneo, February 2012.

Norbert Wu / Leopard Seal (Hydrurga leptonyx) investigating zodiac and tourist, Antarctic Peninsula, Antarctica

Norbert Wu / Leopard Seal (Hydrurga leptonyx) biting inflatable boat, Antarctic Peninsula, Antarctica

Norbert Wu / Humpback Whale (Megaptera novaeangliae) diving near coast with tourists watching, Antarctic Peninsula, Antarctica

Norbert Wu / Tourists near iceberg showing above and below water, Palmer Station, Antarctic Peninsula, Antarctica

Mark Carwardine / Man in zodiac boat watching Crabeater Seals (Lobodon carcinophagus) resting on sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

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.

Peter Cairns / 2020VISION / Waterproof clothing for tourists taking zodiac boat on seabird safari tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets preparing for zodiac boat tour to Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Group of tourists wearing waterproof clothing and life jackets board zodiac boat for tour around Bass Rock, North Berwick, Firth of Forth, Lothian, Scotland, UK, August 2011

Bryan and Cherry Alexander / Tourist zodiac is dwarfed by the huge icebergs near Pleneau Island, Antarctic Peninsula.

Bryan and Cherry Alexander / Tourists in a zodiac watching a waterfall tumble from the top of a glacier. Spitsbergen, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Passengers from "The Stockholm" in a zodiac by Blomstrand, Kongsfjorden, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Zodiac returning passengers to "The Stockholm" in a snow flurry. Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Zodiac returning passengers to "The Stockholm" in a snow flurry. Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Zodiac returning to the Professor Mulchanov on a grey misty day. Kongsfjorden, Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Zodiac filled with tourists powering through frazil ice in extreme weather, Stromness, South Georgia, 2009.

Bryan and Cherry Alexander / Zodiac making its way though frazil ice in the harbour at Stromness after many hours of sleet, South Georgia, 2009.

Bryan and Cherry Alexander / Zodiac powering through frazil ice in the harbour at Stromness after many hours of sleet. South Georgia, 2009.

Bryan and Cherry Alexander / Tourists with cameras on board zodiac, Whittle Peninsula, Antarctica, 2009.

Bryan and Cherry Alexander / Zodiac returning to the Ukrainian Antarctic Research Station Vernadsky (formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Zodiac returning to the Ukrainian Antarctic Research Station Vernadsky(formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Zodiac filled with tourists passing icebergs in Marguerite Bay, Antarctica, February 2009.

Bryan and Cherry Alexander / Tourist zodiac in the Bay of Isles, South Georgia, 2009.

Bryan and Cherry Alexander / Zodiac filled with tourists passing icebergs near to the Pleneau Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Zodiac filled with tourists passing icebergs near to the Pleneau Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Passengers from the "Ocean Nova" being taken by zodiac to the "Clipper Adventurer". Marguerite Bay, Antarctica, February 2009.

Bryan and Cherry Alexander / Tourist Zodiac approaching Whittle Peninsula on the Antarctic Peninsula, 2009.

Bryan and Cherry Alexander / Zodiac from cruise ship "Ocean Nova" in a snow flurry, Falkland Islands, 2009.

Bryan and Cherry Alexander / Tourist Zodiac approaching Whittle Peninsula on the Antarctic Peninsula, 2009.

Bryan and Cherry Alexander / Zodiac waits in Drmmebugten (Bay of Dreams) off Kong Oskars Fjord in East Greenland, September 2005.

Bryan and Cherry Alexander / Ice cliffs of the Eielson glacier tower over a tourist zodiac. Rypefjord, East Greenland, September 2005.

Troels Jacobsen/Arcticphoto / Humpback Whale (Megaptera novaeangliae) fluking, watched by tourists in a zodiac and small cruise ship Grigoriy Mikheev. Lautrabjarg, West Iceland, 2003.

Troels Jacobsen/Arcticphoto / Zodiac landing on the shore at Inaccessible Island, a UNESCO World Heritage site. Part of the Tristan group, South Atlantic Islands, March 2007.

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

Bryan and Cherry Alexander / Zodiac full of tourists returning to the "Clipper Adventurer" from a landing on Trinity Island, Antarctica, February 2009.