Gavin Hellier / Luxury cruise liner infront of Midtown Manhattan across the Hudson River, New York, USA October 2011. No release available.

Brent Stephenson / A cruise ship heads back up the Beagle Channel towards Ushuaia at the end of an Antarctic cruise. Beagle Channel, Tierra del Fuego Archipelago, South America, December.

Bryan and Cherry Alexander / Gentoo penguins (Pygoscelis papua) in blowing sand with the "Ocean Nova" anchored beyond. Saunders Island, Falkland Islands, 2009.

David Tipling / Cruise ship anchored off Hercules Bay, South Georgia, November 2006

David Fleetham / Aerial view of Norwegian cruise liner "Pride of Hawaii" moored in Kahalui harbour, Maui, Hawaii.

David Fleetham / Norwegian Cruise Line's "The Golden Princess" anchored off Lahaina, viewed through palms. Maui, Hawaii.

Mark MacEwen / Various boats coming in to harbour at Gibraltar, June 2013.

Jeff Vanuga / Tourists lining the deck ship Ushuaia in the Lemaire Channel clogged with sea ice, Antarctica.

Loic Poidevin / Geirangerfjord with liners, Stranda municipality, Sunnylvsfjorden UNESCO World Heritage Site, Norway, June 2010.

Loic Poidevin / Geirangerfjord with cruise ships , Stranda municipality, Sunnylvsfjorden UNESCO World Heritage Site, Norway, June 2010.

Enrique Lopez-Tapia / Antarctic cruise liner 'MV Ushuaia' front view, Antarctica.

Enrique Lopez-Tapia / Navigator working on a map on the bridge on an Antarctic cruise liner 'MV Ushuaia', Antarctica

Enrique Lopez-Tapia / View of control room of Antarctic cruise liner 'MV Ushuaia' with captain and crew looking out of the window, Antarctica

Enrique Lopez-Tapia / View of Wilhelmina Bay from the foredeck of an Antarctic cruise liner 'MV Ushuaia' Gerlache Strait. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Lifeboat on the Antarctic cruise liner 'MV Ushuaia' Antarctica

Enrique Lopez-Tapia / View of Wilhelmina Bay from the snow covered foredeck of an Antarctic cruise liner 'MV Ushuaia' Gerlache Strait. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Antarctic peninsula seen from aboard an Antarctic cruise liner 'MV Ushuaia' Antarctica lifeboat, Antarctica

Enrique Lopez-Tapia / Antarctic cruise liner 'MV Ushuaia' close-up of text and windows, Antarctic Peninsula, Antarctica

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 cruise liner 'MV Ushuaia' Neko Harbour, Andvord Bay. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Antarctic cruise liner 'MV Ushuaia' Neko Harbour, Andvord Bay. Antarctic Peninsula, Antarctica

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

Enrique Lopez-Tapia / A tourist coming out of the water after a swim in hot springs, Deception Island, with Antarctic cruise liner 'MV Ushuaia' in the background. Antarctica.

Michael Pitts / 'MS World Discoverer' Wrecked on Sunday 30th April 2000 after striking an unchartered reef in the Sandfly Passage, Solomon Islands. 31st April 2000

Sven Zacek / Tallinn-Stockholm cruise ship beyond sea ice forming on the Baltic. Northern coast of Estonia, February 2013.

Franco Banfi / Ferry boat, Pico Island, Azores, Portugal, Atlantic Ocean

Gavin Hellier / Large cruise liner docked in the harbour next to the Old Town, Fjord and mountains from the Walls of the Kotor Fortress which forms a continuous belt around the Old Town of Kotor, Bay of Kotorska, Adr...

Gavin Hellier / Large cruise liner docked in the harbour next to the Old Town, Fjord and mountains from the Walls of the Kotor Fortress which forms a continuous belt around the Old Town of Kotor, Bay of Kotorska, Adr...

Gavin Hellier / Elevated view of the Fjord, Kotor and surrounding mountains, Bay of Kotor, Adriatic coast, Montenegro, Balkans 2007

Gavin Hellier / Elevated view over Charlotte Amalie and the cruise ship dock, St Thomas, US Virgin Islands, Leeward Islands, Lesser Antilles, Caribbean, West Indies 2008

Gavin Hellier / Elevated view in evening over Charlotte Amalie and the Cruise Ship dock at Havensight, St Thomas, US Virgin Islands, Leeward Islands, Lesser Antilles, Caribbean, West Indies 2008

Gavin Hellier / Elevated view over Charlotte Amalie and the Cruise Ship dock of Havensight, St Thomas, US Virgin Islands, Leeward Islands, Lesser Antilles, Caribbean, West Indies 2008

Gavin Hellier / Elevated view over Charlotte Amalie and the Cruise Ship dock of Havensight, St Thomas, US Virgin Islands, Leeward Islands, Lesser Antilles, Caribbean, West Indies 2008

Gavin Hellier / Elevated view at dusk over Charlotte Amalie and the Cruise Ship dock of Havensight, St Thomas, US Virgin Islands, Leeward Islands, Lesser Antilles, Caribbean, West Indies 2008

Gavin Hellier / Large cruise liner ship arriving in Bermuda, 2007

Gavin Hellier / Large cruise ship docked alongside Heritage Quay shopping district in St. John's, Antigua, Antigua and Barbuda, Leeward Islands, Lesser Antilles, Caribbean, West Indies, 2012

Gavin Hellier / Panoramic view of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / View of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / View of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / Panoramic view of luxury cruise liner infront of Midtown Manhattan across the Hudson River, New York, USA October 2011

Gavin Hellier / Huge luxury cruise liner infront of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / Luxury cruise liners infront of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / Luxury cruise liners infront of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Gavin Hellier / Huge luxury liners infront of Midtown Manhattan across the Hudson River, New York, USA, October 2011

Ben Lascelles / Large cruise liner navigating the Panama Canal. Panama, October 2006.

Konrad Wothe / Tourists walking round the crater lake of Deception Island, with a cruise ship in the background, South Shetland Islands, Antarctica. February 2007.

Konrad Wothe / View from Cruise ship in Lemaire Channel, Antarctic Peninsula, Antarctica. February 2007.

Brent Stephenson / A cruise ship anchored in stunning flat calm conditions just off the Antarctic Peninsula, Neko Harbour, Antarctic Peninsula, Antarctica, January 2011.

Nick Garbutt / People sitting under a tree on the beach with a cruise ship in the background anchored in the Mozambique Channel off the west coast of Madagascar, near Andavadoka. Madagascar, December 2011.

Philip Stephen / Cruise ship "Independence of the Seas" moored alongside at Cagliari harbour, Sardinia. 2008.

Philip Stephen / Cruise ship "Albatross", west of Shetland, June 2008.

Onne van der Wal / Cruise liner and yacht at the 12 Metre World Championships, Newport, Rhode Island, USA. September 2009.

Rob Cousins / Cruise ship "Silver Cloud" entering Fowey harbour in the early morning, Cornwall, UK. September 2009.

Rob Cousins / Cruise ship "Silver Cloud" assisted by tugs, entering Fowey harbour in the early morning, Cornwall, UK. September 2009.

Rob Cousins / Cruise ship "Silver Cloud" assisted by tugs, entering Fowey harbour in the early morning, Cornwall, UK. September 2009.

Rob Cousins / Cruise ship "Silver Cloud" moored in Fowey harbour, Cornwall, UK. September 2009.

Philip Stephen / Passenger liner "Boudicca" on the North Sea, July 2010.

Philip Stephen / Passenger ship "Boudicca" cruising on the North Sea, July 2010.

Rick Tomlinson / Silhoutte of a cruise ship on the horizon at sunset

Bryan and Cherry Alexander / Photographer downloading from digital camera to laptop on the deck of tourist ship, Antarctica.

Bryan and Cherry Alexander / "The Stockholm" in Kongsfjorden, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / "The Stockholm" with mountains behind, Kongsfjorden, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Group of tourists from "The Stockholm" enjoying the midnight sun on Karl XII Oya. Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / "The Stockholm" boat anchored off Karl XII Oya by an iceberg in the north of 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 / Small cruise ship behind Walrus (Odobenus rosmarus) swimming. Nordaustlandet, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Group of Walrus (Odobenus rosmarus) on a rock, with boat behind. Nordaustlandet, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / "Professor Mulchanov" in Magdalene Fjord on a fine day with altostratus clouds. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Ice-breaker "Professor Mulchanov" in Magdalene Fjord with altostratus clouds above. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Expedition cruise ship "Grigoriy Mikheev" encounters a Polar bear (Ursus maritimus) on the shifting pack ice west of Spitsbergen, Svalbard, Norway, June.

Bryan and Cherry Alexander / Photographers on the bow of the "Professor Mulchanov" photograph a Polar bear (Ursus maritimus) feeding on a dead bearded seal. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / 500 berth cruise ship "Albatros" by a small blue iceberg in Lilliefjorden. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Photographers on the Professor Mulchanov taking pictures of a Bearded seal (Erignathus barbatus) on an ice floe. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Tourists on the bow of the "Professor Mulchanov" looking for wildlife. Hymebreen, Hornsund Fjord, Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Passengers on Icebreaker "Professor Mulchanov" looking for wildlife in Brepollen. Hornsund, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Gentoo penguins (Pygoscelis papua) in blowing sand, with the "Ocean Nova" anchored beyond. Saunders Island, Falkland Islands, 2009.

Bryan and Cherry Alexander / Passengers from the "Ocean Nova" on the ice at Deception Island. South Shetland Islands, Antarctica, 2009.

Bryan and Cherry Alexander / Passenger from the "Ocean Nova" pretending to tug the boat at Deception Island. South Shetland Islands, Antarctica, 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 / Zodiac from cruise ship "Ocean Nova" in a snow flurry, Falkland Islands, 2009.

Bryan and Cherry Alexander / Russian icebreaker "Kapitan Khlebnikov" parked in the sea ice with tourists walking close by. Antarctica, October 2006.

Bryan and Cherry Alexander / Tourist joking in front of the icebreaker "Kapitan Khlebnikov", Antarctica, October 2006.

Bryan and Cherry Alexander / Yellow jacketed tourist on the bow of the "Kapitan Khlebnikov" venturing through pack ice in Erebus & Terror Gulf. Antarctica, October 2006.

Bryan and Cherry Alexander / Tourist on the bow of the "Kapitan Khlebnikov" in pack ice in Erebus & Terror Gulf. Antarctica, October 2006.

Bryan and Cherry Alexander / Passengers on the bows of the "Kapitan Khlebnikov" watching the ship break ice. Weddell Sea. Antarctica, October 2006.

Pete Oxford / Cruise ship off of Mahahual. South Yucatan Peninsula, Mexico.

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

Bryan and Cherry Alexander / Tourist from the "Clipper Adventurer" at Mikkelsen Harbour, Trinity Island, Antarctica, February 2009.

Bryan and Cherry Alexander / Immature Dolphin gull (Leucophaeus scoresbii) walking along the wooden handrail of a cruise ship. Ushuaia, Argentina.

Konstantin Mikhailov / Cruise ship anchored in River Lena off Kembrian stony poles and towers, LenskieStolby nature reserve, Yakutia-Sakha, East Siberia, Russia, August 2005

Nick Garbutt / Cruise ship, Akademik Ioffe, moored in Adventfjorden, northern Spitsbergen, Svalbard, Arctic Norway, June 2009

Gabriel Rojo / Ushuaia Port seen from a ship, the most southern city in the world, the point of departure for cruise ships and yachts leaving for the Antarctic Peninsula, Tierra del Fuego, Patagonia, Argentina, Janu...

Gabriel Rojo / Ushuaia Port, the most southern city in the world, the point of departure for cruise ships and yachts leaving for the Antarctic Peninsula, Tierra del Fuego, Patagonia, Argentina, January 2006

Gabriel Rojo / Deception Island viewed from bow of boat, Antarctic Peninsula, Antarctica, February 2006