Members of the media and other invited guests take a preview of a Ride the Ducks tour on Wednesday, April 20, 2011, in Philadelphia. The Georgia-based Ride the Ducks amphibious duck boat tour has ... more 
Members of the media and other invited guests take a preview of a Ride the Ducks tour on Wednesday, April 20, 2011, in Philadelphia. The Georgia-based Ride the Ducks amphibious duck boat tour has officially returned to the Delaware River, more than nine months after an accident that killed two Hungarian tourists. less 
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Associated Press | Photo By Matt Rourke
Wed, Apr 20, 2011 12:10 PM EDT