US polar vortex: the best pictures | The Guardian - http://www.theguardian.com/world...
Jan 9, 2014
from
Iván Abrego,
Steven Perez,
John (bird whisperer),
Technology Spot,
JECO Photo,
Ken Morley,
Nils Sandin,
Victor Ganata,
Tamara J. B.,
Jenny H.,
امین,
Todd Hoff,
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Eivind
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"The most extreme weather in decades has swept across North America, sending the mercury plummeting and causing chaos – but also creating stunning pictures."
- Amira