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In this March 26, 2008 file photo cherry blossoms bloom by a ...

(AP) — Wed, 18 Feb 2009 22:14:28 GMT

(AP) - In this March 26, 2008 file photo cherry blossoms bloom by a reflection of the Washington Monument near the tidal basin in Washington. (AP Photo/Jacquelyn Martin, File)

In this Nov. 21, 2008, file photo with the Washington Monument ...

(AP) — Wed, 31 Dec 2008 18:39:16 GMT

(AP) - In this Nov. 21, 2008, file photo with the Washington Monument in the background, visitors to the National Museum of American History watch the reopening ceremony for the museum after completion of renovations. (AP Photo/Jacquelyn Martin, File)

In this Nov. 15, 2007 file photo, the Robert and Arlene Kogod ...

(AP) — Wed, 13 Aug 2008 21:44:48 GMT

(AP) - In this Nov. 15, 2007 file photo, the Robert and Arlene Kogod Courtyard, designed by Norman Foster, is seen during a press preview at the renovated Donald W. Reynolds Center for American Art and Portraiture in Washington. The building houses the Smithsonian's National Portrait Gallery and the Smithsonian American Art Museum. (AP Photo/Jacquelyn Martin, File)

In this April 24, 2007 file photo, Tai Shan, the popular giant ...

(AP) — Wed, 13 Aug 2008 21:44:27 GMT

(AP) - In this April 24, 2007 file photo, Tai Shan, the popular giant panda cub at the Smithsonian's National Zoo, munches on bamboo in Washington. (AP Photo/Jacquelyn Martin, File)

In this Nov. 30, 2006 file photo, the Metrorail Blue/Orange ...

(AP) — Wed, 13 Aug 2008 21:43:53 GMT

(AP) - In this Nov. 30, 2006 file photo, the Metrorail Blue/Orange Line in Washington is shown. (AP Photo/J. Scott Applewhite, File)

This undated photo released by the National Arboretum shows ...

(AP) — Mon, 04 Aug 2008 16:31:42 GMT

(AP) - This undated photo released by the National Arboretum shows the National Capitol Columns at the U.S. National Arboretum in Washington. Originally installed on the East Portico of the Capitol Building in 1828, they were replaced in 1958 and have been at the Arboretum since the 1980's. (AP Photo/National Arboretum)

In this Jan. 16, 2008 file photo, Jacqueline Canales, 19, right, ...

(AP) — Mon, 04 Aug 2008 16:29:08 GMT

(AP) - In this Jan. 16, 2008 file photo, Jacqueline Canales, 19, right, poses for a camera phone photograph with a portrait of mock television pundit Stephen Colbert at the Smithsonian's National Portrait Gallery in Washington. (AP Photo/Jacquelyn Martin, File)

In this Nov. 10, 2007 file photo, Austin Hiddey runs between ...

(AP) — Mon, 04 Aug 2008 16:26:30 GMT

(AP) - In this Nov. 10, 2007 file photo, Austin Hiddey runs between rows of American flags at the National Mall in Washington. (AP Photo/Manuel Balce Ceneta, File)

In this July 9, 2008 file photo, Josette Cole, left, and Viki ...

(AP) — Mon, 04 Aug 2008 16:24:53 GMT

(AP) - In this July 9, 2008 file photo, Josette Cole, left, and Viki Possoff, exhibit registrars with the Smithsonian Institution, fluff Muppets Mahna Mahna, top, and the Snowths in Washington, while styling them in preparation for the exhibit, 'Jim Henson's Fantastic World.' (AP Photo/Jacquelyn Martin, File)

In this March 21, 2008 file photo, flags blow in a stiff breeze ...

(AP) — Mon, 04 Aug 2008 16:02:12 GMT

(AP) - In this March 21, 2008 file photo, flags blow in a stiff breeze on the grounds of the Washington Monument on the National Mall. (AP Photo/Ron Edmonds, File)

The Robert and Arlene Kogod Courtyard, designed by Norman Foster, ...

(AP) — Mon, 24 Mar 2008 15:12:19 GMT

(AP) - The Robert and Arlene Kogod Courtyard, designed by Norman Foster, is seen during a press preview at the renovated Donald W. Reynolds Center for American Art and Portraiture in Washington in this Nov. 15, 2007 file photo. (AP Photo/Jacquelyn Martin, File)