Eric Baccega / Scientist taking a photograph of Lichen in Dundas Harbour. Devon Island, Nunavut, Canada, August 2010
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David Woodfall / Children in Primary school class, nr Tala, Ganges delta, Bangladesh, June 2008
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Mark Raycroft / Alaskan Malamute (Canis familiaris) in snow wearing pack
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Niall Benvie / Children encountering nature, 1 year old in forest in backpack. Montreathmont, Angus, Scotland, UK, Europe
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Kirkendall-Spring / Man hiking along the Teton Crest Trail between Marion Lake and Fox Creek Pass, Grand Teton Natoinal Park. Wyoming, USA, July 2011. Model released
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Kirkendall-Spring / Man hiking along the Teton Crest Trail between Marion Lake and Fox Creek Pass, Grand Teton Natoinal Park. Wyoming, USA, July 2011. Model released
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Oriol Alamany / Hiker on trail to Laguna Torre below Cerro Torre, with Mount Fitz-Roy in the background, Los Glaciares National Park, Patagonia, Argentina. January 2006. Model released.
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Christophe Courteau / Porter carrying a backpack while tracking a group of Mountain Gorillas (Gorilla beringei), Bisoke Volcano, Volcanoes National Park, Rwanda. Elevation 2950 m
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Colin Monteath / Hiker descends hill of Tussock Grass (Poa flabellata) above Lake Heron Station, Canterbury, New Zealand
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Bryan and Cherry Alexander / Tourist enjoying the view at Neptune's Window. Whalers Bay, Deception Island, South Shetland Islands, Antarctica, 2009.
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Oriol Alamany / Hiker studies map on signpost at the beginning of the Laguna Tower trail, El Chalten, Los Glaciares National Park, Patagonia, Argentina, January 2006
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Bryan and Cherry Alexander / Park warden on patrol at Tanquary Fiord. Ellesmere Island, National Park Reserve, Canada, 1994.