Juan Carlos Munoz / Aerial view of the trench of the Great Rift valley, Tanzania, Africa, August 2009
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SCOTLAND: The Big Picture / Ditch through woodland dug by Eurasian beavers (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.
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Tony Wu / Sperm whale (Physeter macrocephalus) adult female carrying a large piece of giant squid, which this group of whales had brought up from the deep trench. Ogasawara / Bonin Islands, Japan.
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Tony Wu / Sperm whale (Physeter macrocephalus) adult female carrying a large piece of giant squid, which this group of whales had brought up from the deep trench. Ogasawara / Bonin Islands, Japan.
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Tony Wu / Sperm whale (Physeter macrocephalus) adult female carrying a large piece of giant squid, which this group of whales had brought up from the deep trench. Ogasawara / Bonin Islands, Japan.
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David Noton / Remains of trenches from the First World War at Newfoundland Memorial Park on the Somme battlefield, Beaumont Hamel, Picardy, France, October 2014.
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David Noton / Remains of trenches from the First World War at Newfoundland Memorial Park on the Somme battlefield, Beaumont Hamel, Picardy, France, October 2014.
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David Noton / First light on Tofana de Rozes from the World War One trenches on Cinque Torri, Dolomite Mountains, Belluno Province, Veneto, Italy, September 2015.
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David Noton / First light on Tofana de Rozes from the World War One trenches on Cinque Torri, Dolomite Mountains, Belluno Province, Veneto, Italy, September 2015.
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Nick Upton / Willow tree (Salix sp.) felled by Eurasian beavers (Castor fiber) with its bark partially gnawed off by them, lying across a drainage ditch in lowland farmland, Haughs of Cossans, near Forfar, Angus,...
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Nick Upton / Young Willow tree (Salix sp.) felled by Eurasian beavers (Castor fiber) lying across a drainage ditch with much of its bark gnawed off by them in partially flooded lowland farmland, Haughs of Cossans,...
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Nick Upton / Willow tree (Salix sp.) gnawed by Eurasian beavers (Castor fiber) with a large branch lying across and partially blocking a stream in lowland farmland, Dean Water, near Forfar, Angus, Tayside, Scotlan...