Annual Washington Post Bucket Event 2010

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The Smithsonian National Zoological Park opens the New American Trail... News PhotoExhibition,Horizontal,Human Interest,New,Smithsonian Institution,USA,Washington DC,ZoologyPhotographer Collection: The Washington Post 2011 The Washington PostWASHINGTON, DC - AUGUST 28: The Smithsonian National Zoological Park opens the New American Trail Exhibit to the public on Saturday Sept 1. The exhibit has been planning and constructing the area for five years. One aspect of the exhibit is a 300,000-gallon sea lion pool. (Photo by Sarah L. Voisin/The Washington Post via Getty Images)