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After hitting the midwest earlier in the week, a wave of polar air settled in over the Northeast, grinding trains to a halt, bursting pipes and bringing further misery to people still recovering from Superstorm Sandy. The sub-zero temperatures have caused a deep freeze, turning fountains, rivers and even buildings to ice.
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Above, the frozen fountain in New York's Bryant Park, in mid-town Manhattan, is the center of attention as people photograph the ice that formed on the fountain Thursday.
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A woman pauses to take a photograph of the frozen fountain in New York's Bryant Park.
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Firefighters worked to extinguish a massive blaze at a vacant warehouse on Jan. 23 in Chicago. Temperatures in the single digits caused the water from fire houses to freeze, covering the building with a layer of ice.
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A truck and chemical drums are covered with ice as firefighters help to extinguish a massive blaze at a vacant warehouse on Wednesday in Chicago.
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Ice covers the windward side of the Cleveland harbor lighthouse in Cleveland Thursday.
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A worker pushes a cart past an ice and snow covered waterfall outside of the National Museum of the American Indian on Jan. 24 in Washington, D.C.
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An Amtrak Acela passenger train crosses a bridge over the partially frozen Delaware River Thursday near Trenton, N.J.