David Fleetham / Californian sealions (Zalophus californianus) on a cardinal marker off Long Beach, California, USA.
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Merryn Thomas / Isolated danger mark on Crow Bar, Isles of Scilly, UK. May 2009.
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Rick Tomlinson / Gurnard Northerly mark, Cowes Week, August 2009.
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Benoit Stichelbaut / Isabelle Joschke on "Synergie", too close to a northern cardinal mark during the Quiberon Solo. Port Haliguen, Quiberon, France. June 2010.
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Benoit Stichelbaut / "Cercle Vert" and the fleet rounding a mark during the Quiberon Solo. Port Haliguen, Quiberon, France. June 2010.
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Rick Tomlinson / "Mariette" under sail during Round the Island Race, The British Classic Yacht Club Regatta, Cowes Classic Week, July 2008
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Benoit Stichelbaut / "Linuen" cardinal marker buoy in the Bay de Concarneau, Brittany, France
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Merryn Thomas / Passenger Ferry "Voyager of St. Martin's" arriving at Lower Town Quay in the early morning. St. Martin's, Isles of Scilly, UK
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Onne van der Wal / A sailboat getting out of the channel for a container ship, Charleston Harbour, South Carolina, USA.
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Rick Tomlinson / Crew siting out on "Rubin". Owned by Hans-Otto Schumann, part of the winning German Admiral's Cup team in 1993.
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Onne van der Wal / Two Huckins power boats motoring past Clingstone off Jamestown, Rhode Island, USA.
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Onne van der Wal / A marker in the Beagle channel with snow covered mountain behind, Tierra del Fuego, South America.
