Bryan and Cherry Alexander / Mountains seen across the Bay of Isles and the boardwalk on Prion Island, South Georgia, 2009.
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Bryan and Cherry Alexander / Boardwalks along the shore at Bahia Lapataia, Tierra del Fuego National Park. Argentina, October 2006.
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Philippe Clement / Entrance of Smoo Cave with boardwalks, a large combined sea cave and freshwater cave in Durness in the Highlands, Scotland, UK, May 2010
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David Noton / Boardwalk to Western Brook pond fiord, Gros Morne National Park, Newfoundland, Canada
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Shattil & Rozinski / Photographer Bob Rozinski walking along boardwalk in Glacier Bay National Park, Alaska, USA, May 2011 Model released