Dry ice is unloaded from a flatbed truck in Union Square for distribution to residents of the still powerless Chelsea section of Manhattan, Thursday, Nov.1, 2012, in New York. Three

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Dry ice is unloaded from a flatbed truck in Union Square for distribution to residents of the still powerless Chelsea section of Manhattan, Thursday, Nov.1, 2012, in New York. Three days after superstorm Sandy walloped the city, residents and commuters still faced obstacles as they tried to return to pre-storm routines. (AP Photo/ Louis Lanzano) less