Claudio Contreras / Boat on canal between chinampas, a wetland agricultural system. Xochimilco wetlands, Mexico City, September

Michael Pitts / Tracking shot over the bow of a sunken shipwreck, Maldives, Indian Ocean.

Pedro Narra / Bottlenose dolphin (Tursiops truncatus) leaping in front of a cargo ship, Sado Estuary, Portugal, September

Alex Mustard / A pod of Atlantic spotted dolphins (Stenella frontalis) riding on the bow wave of a boat. Sandy Ridge, Little Bahama Bank. Bahamas

Eric Baccega / View from deck of a cruise ship cruising along Baffin Island with an iceberg emerging out ot the mist, Nunavut, Canada, August 2010

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) bow-riding in front of boat, Sea of Cortez, Baja California, Mexico

Wild Wonders of Europe / Campbell / Bottlenosed dolphin (Tursiops truncatus) bow riding fishing boat, Moray Firth, Nr Inverness, Scotland, May 2009

Jim Brandenburg / Canoe bow with autumn trees, Discovery Lake, Superior National Forest, Minnesota

Doug Perrine / Long beaked common dolphin leaping in bow wake of tanker {Delphinus capensis} Transkei, (Non-ex).

Doug Perrine / Atlantic spotted dolphins bowriding beneath boat {Stenella frontalis} Azores (Non-ex).

Pedro Narra / Bottlenose dolphin (Tursiops truncatus) porpoising in front of the bow, Sado Estuary, Portugal. August

Ashley Cooper / Foot passengers embark the Caledonian Macbrayne ferry, Loch Nevis, which services the Isle of Eigg from Mallaig, Scotland, UK.. May 2012

Ashley Cooper / The Caledonian MacBrayne ferry leaving Tarbert on the Isle of Harris, Outer Hebrides, Scotland, UK. June 2015

Ashley Cooper / Commerson's dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014

Ashley Cooper / Peale's dolphin (Lagenorhynchus australis) bow riding off the front of a boat, Falkland Islands, South Atlantic. February.

Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014

Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014

Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014

Sue Flood / Wide angle shot of bow of Russian icebreaker Kapitan Khlebnikov in sea ice, Cape Washington, Ross Sea, Antarctica.

Richard Robinson / Pelagic Bottlenose dolphin (Tursiops truncatus ) rides the bow of a Maersk container ship, Northern New Zealand Editorial use only.

Richard Robinson / Bottlenose dolphins (Tursiops truncatus) ride the bow of a logging ship, Northern New Zealand Editorial use only.

Franco Banfi / Bow of sailing boat trapped into the ice, Spitsbergen, Svalbard, Norway, Arctic Ocean, July 2014.

Terry Whittaker / Bottlenose dolphin (Tursiops truncatus) porpoising in front of boat, Moray Firth, Highlands, Scotland. July.

Michel Roggo / Waves crashing in front of bow of MV Ortelius, Beaufort 9, near Half Moon Island, South Shetland Islands, Antarctic Peninsula, Antarctica. January 2017.Photographed for The Freshwater Project

Enrique Lopez-Tapia / Person silhouetted on bow of boat at sunset, fishing village of Cacheu, Guinea Bissau, February 2015.

Tony Wu / Carcass of a female Bryde's whale (Balaenoptera edeni brydei) carried into port on the bow of a ship. Laem Chabang Port, Thailand.

Tony Wu / Carcass of a female Bryde's whale (Balaenoptera edeni brydei) carried into port on the bow of a ship. It is possible it died as a result of a ship strike. Laem Chabang Port, Thailand.

Michael Hutchinson / Common dolphins (Delphinus delphis) bow-riding, watched by tourist, Hebrides, UK, August

SCOTLAND: The Big Picture / Bottlenose dolphin (Tursiops truncatus) bow riding a ship, Moray Firth, Inverness, Scotland, UK, July 2014.

SCOTLAND: The Big Picture / Bottlenose dolphin (Tursiops truncatus) bow riding a ship, Moray Firth, Inverness, Scotland, UK, July.

Pascal Kobeh / A diver above the cannon gun at the bow of the the wreck of the San Francisco Maru, a passenger cargo used as a auxiliary transport vessel, Chuuk or Truk Lagoon, Carolines Islands, Pacific Ocean

Pal Hermansen / Broken one year ice off the coast of Ellesmere Island, seen from prow of boat, Nunavut, Canada, August 2007.

Ole Jorgen Liodden / Prow of expedition ship with water splashing around it, Drake Passage, Chile. March 2006.

Bryan and Cherry Alexander / Icebreaker 'K. Khlebnikov' with helicopter and the Cambell Ice Tongue, Terra Nova Bay, Antarctica.

Michael Pitts / Diver on the bow of U-Boat -U352. Type VIIC sunk off Cape Lookout on the 9th May 1942, North Carolina, USA, September 2013.

David Tipling / Prow of boat with head of Frigatebird from Trobriand Islands in the Pacific.

Michele Westmorland / Bottle Nosed Dolphin (Tursiops truncatus) riding the bow wake of boat, Galapagos Islands, January.

Michele Westmorland / Fish-eye view of Blue-footed Boobies (Sula nebouxii) sitting on bow of vessel. Wolf Island, Galapagos Islands.

Michele Westmorland / Fish-eye view of Blue-footed Boobies (Sula nebouxii) sitting on bow of vessel. Wolf Island, Galapagos Islands.

Benoit Stichelbaut / Sebastien Josse sailing Bladerider Foiling Moth, Concarneau, France. October 2007

Merryn Thomas / Spectators aboard "Enterprise III" watching tall ship "Sedov" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Merryn Thomas / Bristol Pilot Cutter "Mischief" on launch day, Bristol Floating Harbour, England, Summer 2007.

Merryn Thomas / "Lark" name and bow fender detail. Cornwall County Pilot Gig Championships, Newquay, September 2008.

Benoit Stichelbaut / Jean Luc van den Heede arriving from Global Challenge (Western circumnavigation), record boat -122 days 14 hours 3 minutes 49 seconds, Ouessant (Ushant), Brittany, France, March, 2004

Benoit Stichelbaut / Jean Luc van den Heede arriving at the finish line of the Global Challenge at Ouessant (Ushant), on his boat "Adrien" with a record time of 122 days, 14 hours, 3 minutes and 49 seconds. 11 March 2004.

Benoit Stichelbaut / Prada sponsored boat "Luna Rossa" at America's Cup (Louis Vuitton Act 13), Valencia, Spain. May 2007.

Benoit Stichelbaut / Prada sponsored boat "Luna Rossa" at the 32nd America's Cup (Louis Vuitton Act 12 Semi final), Valencia, Spain. June 2006.

Philip Stephen / MFV in heavy seas. North Sea, 2009. Property released.

Benoit Stichelbaut / Loctudy SNSM (Societe Nationale des Secours en Mer) lifeboat "Margodig" powering through waves. Brittany, France 2002.

Benoit Stichelbaut / Prada sponsored boat "Luna Rossa" at the 32nd America's Cup (Louis Vuitton Act 12 Semi final), Valencia, Spain. June 2006.

Merryn Thomas / Russian tall ship "Mir" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Billy Black / Pelican (Pelecanus sp) on bow of cruising yacht, British Virgin Islands, January 2004.

Merryn Thomas / Three red fenders hung off the bow of passenger ferry "Voyager of St. Martin's", Lower Town Quay, St. Martin's, Isles of Scilly, UK

Doug Allan / Woman standing by bow and anchor of Russian nuclear icebreaker, "NS 50 Let Pobedy" 50 years of Victory, North Pole, July 2008

Tom Gilks / Painted bow of traditional fishing boat, Kafountine, Casamance region, Senegal. April 2008.

Rob Cousins / Bow of the Helwick lightship at the Marina, Maritime Quarter, Swansea, Wales, UK. June 2009.

Toby Roxburgh / Boat-builder making wooden stem that will form the upright at the bow of a new wooden pilot cutter sailing boat being constructed at Bristol's Underfall Yard. England, UK, Oct 2009.

Toby Roxburgh / Boat-builder using chisel to shape part of wooden stem that will form the upright at the bow of a new wooden pilot cutter sailing boat being constructed at Bristol's Underfall Yard. England, UK, Oct 2...

Onne van der Wal / Wooden boat, Valparaiso, Chile 2008.

Rick Tomlinson / TP52 "Ran" at the windward mark during a race at the 2009 Acura Miami Grand Prix, day 3, 7th March.

Rick Tomlinson / Skipper Fernando Echavarri (Spain) aboard "Telefonica Black" arriving in Cape Town in 8th (last) place with a broken rudder and bow sprit, November 2008. Volvo Ocean Race 2008-09. For EDITORIAL USE on...

Rick Tomlinson / Dramatic photo taken from the bow of SY "Adele", 180 foot Hoek Design, sailing in French Polynesia, 2006. Non editorial uses must be cleared individually.

Rick Tomlinson / Bow of "Aschanti IV", Aschanti Ltd's Henry Gruber Staysail Schooner druing Antigua Classic Yacht Regatta, Race 2, April 19, 2008.

Rick Tomlinson / Evening light on the bow of SY "Adele", 180 foot Hoek Design, in Yankee Harbour, Antarctica, January 2007 Non editorial uses must be cleared individually.

Rick Tomlinson / "Ushuaia", Morgan MacDonald's Pilot Boat Gaff Schooner, with "Kate", Phillip Walwyn's Mylne Gaff Cutter, and the bow sprit of "Adela" during Antigua Classic Yacht Regatta, Race 2, April 19, 2008.

Benoit Stichelbaut / Loctudy SNSM (Societe Nationale des Secours en Mer) lifeboat "Margodig" powering through waves. Brittany, France 2002.

Merryn Thomas / Bowman on bowsprit of three masted barque "Cuauhtemoc" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Onne van der Wal / Bow of tethered boat in the Grenadines, Caribbean. February 2010.

Merryn Thomas / Bow fender detail of gig. Cornwall County Pilot Gig Championships, Newquay, September 2008.

Merryn Thomas / "Lark" name and bow fender detail. Cornwall County Pilot Gig Championships, Newquay, September 2008.

Merryn Thomas / Russian tall ship "Mir" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Chris Gomersall / 2020VISION / Border terrier "Sula" on foredeck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011

Billy Black / Bikes on bow of a boat cruising on the Canal Du Midi around Le Somail, France. July 2009. Model and property released.

Billy Black / Girls feeding mallard ducks from the bow of a boat, cruising on the Canal Du Midi near Capestang, southern France. July 2009. Model and property released.

John MacPherson / 2020VISION / Cargo boat with Bottlenose dolphin (Tursiops truncatus) bow riding, River Ness, Inverness Harbour, Moray Foirth, Scotland, UK, August 2011

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 / Tourists on the bow of the "Professor Mulchanov" looking for wildlife. Hymebreen, Hornsund Fjord, 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 / Tourists on the bow of the icebreaker Kapitan Khlebnikov, Lemaire Channel, Southern Ocean, 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.

John MacPherson / 2020VISION / Bottlenose dolphin (Tursiops truncatus) bow riding on fuel tanker with dolphin tour boat and tourists watching, Moray Firth, Inverness-shire, Scotland, UK, August

Bryan and Cherry Alexander / Bow of icebreaker "Kapitan Dranitsyn" approaching Rubini Rock bird cliffs. Hooker Island, Franz Josef Land, Russia, 2004.

Bryan and Cherry Alexander / Bow of Russian icebreaker "Kapitan Dranitsyn" cutting through sea ice. Franz Josef Land, Russia, 2004.

Bryan and Cherry Alexander / Bow of Russian icebreaker "Kapitan Dranitsyn" cutting through sea ice. Franz Josef Land, Russia, 2004.

Alex Mustard / Atlantic spotted dolphin (Stenella frontalis) portrait, swimming at the bow of a boat. Sandy Ridge, Little Bahama Bank, Bahamas

Eric Baccega / View from deck of a cruise ship, cruising through North Arm Fjord, Baffin Island, Nunavut, Canada, August 2010

Eric Baccega / View from deck of a cruise ship cruising through Sunshine Fjord, Baffin Island, Nunavut, Canada, August 2010

Eric Baccega / View from deck of a cruise ship, with iceberg on horizon, cruising along Baffin Island, Nunavut, Canada, August 2010

Eric Baccega / View from deck of a cruise ship, with iceberg on horizon, cruising along Baffin Island, Nunavut, Canada, August 2010

Pete Oxford / Arapaima (Arapaima gigas) and licensed fisherman, Rupununi, Guyana

Onne van der Wal / Man leaning over bow of boat, with fishing nets. Grenadines, Caribbean, February 2010.

Juergen Freund / Research / Diving boat 'Undersea Explorer' with guests and crew at the bow of the boat in Cod Hole, Great Barrier Reef, Queensland, Australia, 2007

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

Rob Cousins / Bow of moored boat, Bristol Floating Harbour, August 2008