A man walks beside a frozen wall on a beach in Chicago, Illinois, January 7, 2014. A deadly blast of arctic air shattered decades-old temperature records as it enveloped the eastern United States on ... more 
A man walks beside a frozen wall on a beach in Chicago, Illinois, January 7, 2014. A deadly blast of arctic air shattered decades-old temperature records as it enveloped the eastern United States on Tuesday, cancelling thousands of flights, driving energy prices higher and overwhelming shelters for homeless people. REUTERS/Jim Young (UNITED STATES - Tags: ENVIRONMENT) less 
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Reuters | Photo by JIM YOUNG / REUTERS
Wed 8 Jan, 2014 3:40 AM IST