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Pictures | Thu May 4, 2017 | 5:40pm BST

Antarctica's fragile ice

An oblique view of a massive rift in the Antarcitc Peninsula's Larsen C ice shelf. A crack that could create an iceberg the size of Delaware - and destabilize one of the largest ice shelves in the Antarctic - has branched out and begun to widen more quickly, a scientist has said. Located on the Larsen C ice shelf, the fourth largest in Antarctica, the new Antarctica crack is an offshoot of a rupture that gained notice after growing dramatically in 2014, and last year was forecast to cause the separation of a 1,900-square-mile (5,000-square-kilometer) iceberg within years. Photo taken November 2016.     
 

Courtesy John Sonntag/NASA/via REUTERS

An oblique view of a massive rift in the Antarcitc Peninsula's Larsen C ice shelf. A crack that could create an iceberg the size of Delaware - and destabilize one of the largest ice shelves in the Antarctic - has branched out and begun to widen more...more

An oblique view of a massive rift in the Antarcitc Peninsula's Larsen C ice shelf. A crack that could create an iceberg the size of Delaware - and destabilize one of the largest ice shelves in the Antarctic - has branched out and begun to widen more quickly, a scientist has said. Located on the Larsen C ice shelf, the fourth largest in Antarctica, the new Antarctica crack is an offshoot of a rupture that gained notice after growing dramatically in 2014, and last year was forecast to cause the separation of a 1,900-square-mile (5,000-square-kilometer) iceberg within years. Photo taken November 2016. Courtesy John Sonntag/NASA/via REUTERS
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Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica. 

REUTERS/Pauline Askin

Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin

Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin
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The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. 


NASA Earth Observatory/Holli Riebeek/via REUTERS

The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. NASA Earth Observatory/Holli Riebeek/via REUTERS

The B-31 Iceberg is seen after separating from a rift in Antarctica's Pine Island Glacier in November 2013. NASA Earth Observatory/Holli Riebeek/via REUTERS
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Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica.


REUTERS/Pauline Askin

Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica. REUTERS/Pauline Askin

Melting ice shows through at a cliff face at Landsend, on the coast of Cape Denison in Antarctica. REUTERS/Pauline Askin
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Glaciers of Livingston Island are pictured in the Antarctica continent. 


REUTERS/Paulo Whitaker

Glaciers of Livingston Island are pictured in the Antarctica continent. REUTERS/Paulo Whitaker

Glaciers of Livingston Island are pictured in the Antarctica continent. REUTERS/Paulo Whitaker
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Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. 


REUTERS/Pauline Askin

Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. REUTERS/Pauline Askin

Adelie penguins stand atop ice near the French station at Dumont d�Urville in East Antarctica. REUTERS/Pauline Askin
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A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satellite monitoring system. REUTERS/Alister Doyle

A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satellite monitoring system. REUTERS/Alister Doyle

A glaciologist with the British Antarctic Survey installs a pole into the Wilkins Ice Shelf as part of a satellite monitoring system. REUTERS/Alister Doyle
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General view of the Taylor Glacier near McMurdo Station. 


REUTERS/Mark Ralston/Pool

General view of the Taylor Glacier near McMurdo Station. REUTERS/Mark Ralston/Pool

General view of the Taylor Glacier near McMurdo Station. REUTERS/Mark Ralston/Pool
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Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. 


REUTERS/Pauline Askin

Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin

Adelie penguins are pictured at Cape Denison, Commonwealth Bay, in East Antarctica. REUTERS/Pauline Askin
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A satellite view of Antarctica. REUTERS/NASA/via Reuters

A satellite view of Antarctica. REUTERS/NASA/via Reuters

A satellite view of Antarctica. REUTERS/NASA/via Reuters
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Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison.  


REUTERS/Pauline Askin

Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison. REUTERS/Pauline Askin

Ice melt shows through at a cliff face at Landsend on the coast of Cape Denison. REUTERS/Pauline Askin
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A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. 


REUTERS/Pauline Askin

A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

A Weddell seal lies atop ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. 


REUTERS/Pauline Askin

Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

Penguins can be seen walking across ice at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctic Peninsula. 

REUTERS/Alister Doyle

Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctic Peninsula. REUTERS/Alister Doyle

Icebergs grind against the shallows off the Rothera base, run by the British Antarctic Survey, on the Antarctic Peninsula. REUTERS/Alister Doyle
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A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. 


REUTERS/Alister Doyle

A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. REUTERS/Alister Doyle

A mountain is reflected in a bay that used to be covered by the Sheldon glacier on the Antarctic peninsula. REUTERS/Alister Doyle
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The Thwaites Glacier in Antarctica, seen in 2014. 
 


REUTERS/NASA

The Thwaites Glacier in Antarctica, seen in 2014. REUTERS/NASA

The Thwaites Glacier in Antarctica, seen in 2014. REUTERS/NASA
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A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. 



REUTERS/Pauline Askin

A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin

A pair of Adelie penguins are pictured at Cape Denison, Commonwealth Bay. REUTERS/Pauline Askin
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