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CNN's Jennifer Auther reports on the progress of the floats for the parade of all parades, the Rose Parade
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PASADENA, California (CNN) -- Dramatic temperature swings that can make a florist's job a nightmare have turned preparations for a Southern California tradition -- the Rose Parade -- into a rollercoaster ride, says Bill Lofthouse.

But Lofthouse and his family, who are responsible for decorating nearly half of the floats in Friday's parade, are hoping you won't notice. In this report from CNN Correspondent Jennifer Auther, watch what it takes to keep a mountain of flowers fresh.