Fundið á
BBC.co.uk 24. janúar 2011 sett inn kl 17:27 GMT
The Inuit of north-eastern Canada court danger to find food in winter.
During extreme low tides, they climb under the sea ice to gather
mussels.
But they have less than an hour before the water returns.
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linkur:
http://www.bbc.co.uk/news/science-environment-12266739
Sigríður Hrefna Jónsdóttir