Eladio Fernandez / Track through forest in Sardinero, Siboney, Cuba.
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Kirkendall-Spring / Walkway with tourists along Akaka Falls, Akaka Falls State Park, Hawaii. December 2016.
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Melvin Grey / Limpkin (Aramus guarauna) adult standing on walkway handrail. Wakodahatchee Wetlands, Florida, USA. March.
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Ernie Janes / Board walk in Donana National Park, Almonte, Spain, October 2017.
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Ernie Janes / Brown fur seal (Arctocephalus pusillus) hauled out on board walk in Cape Cross seal colony, Namibia
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Michael Hutchinson / Treetop walkway, Kew Gardens, London, England, UK, April 2016.
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Michael Hutchinson / Treetop walkway, Kew Gardens, London, England, UK, April 2016.
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Michael Hutchinson / Treetop walkway, Kew Gardens, London, England, UK, April 2016.
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Enrique Lopez-Tapia / Starry night over Atlantic Ocean, from a wooden pier with Mangrove tree beside it, Orango Island, Bijagos UNESCO Biosphere Reserve, Guinea Bissau, February 2015.
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Enrique Lopez-Tapia / Wooden walkway through the interior of the Gunung Mulu National Park UNESCO Natural World Heritage Site, Malaysian Borneo.
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Enrique Lopez-Tapia / Wooden walkway through the interior of the Gunung Mulu National Park UNESCO Natural World Heritage Site, Malaysian Borneo.
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Enrique Lopez-Tapia / Wooden walkway through the interior of the Gunung Mulu National Park UNESCO Natural World Heritage Site, Malaysian Borneo.
