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I am standing dead center on the BP Bridge, which connects Chicago's Millennium Park with the newer Maggie Daley Park.  The bridge is one of the most frustrating photographic subjects in Chicago.  Designed by famed architect Frank Gehry, its stainless steel parapets and hardwood planked floor slithers across Columbus Drive, bringing children and their parents to the two gigantic climbing walls, an ice skating ribbon, and the playground areas that makeup much of Daley Park.