Ernie Janes / Boat full of people watching Common Seals (Phoca vitulina) on sand bank at Blakeney Point, Norfolk, August 2013.
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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
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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...
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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
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Tui De Roy / Glacier with tourist expedition in inflatable zodiac, southern Greenland Fjords, Greenland
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Flip Nicklin / Orca (Orcinus orca) leaping, watched by tourists from Stubbs Island charter boat, Johnstone Strait, northeast Vancouver Island, Canada
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Flip Nicklin / Humpback Whale (Megaptera novaeangliae) tails and sailboat with whale watching tour, Hawaii
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Norbert Wu / Perry submersible used to bring tourists to deep sea, 1,000 meters depth, Grand Cayman, Caribbean
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Mike Read / Black-legged kittiwake (Rissa tridactyla) group in flight from the 'Angus' tour boat to the Treshnish Isles, Scotland, May.
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Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013
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Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013
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Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013
