South Georgia is the place where colossal icebergs go to die.
The huge tabular blocks of ice that frequently break off Antarctica get swept towards the Atlantic and then ground on the shallow continental shelf that surrounds the 170km-long island.
As they crumble and melt, they dump billions of tonnes of freshwater into the local marine environment.
UK scientists say the giants have quite dramatic impacts, even altering the food webs for South Georgia's animals.
For more on this report visit the BBC website
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