AP Photo/Evan Vucci
Cherry blossoms frame the Washington Monument along the tidal basin on Sunday, April 1, 2007 in Washington. Rob DeFeo, the National Park Service's chief horticulturist, predicts the peak bloom date in Washington this year will be April 4.
AP Photo/Pablo Martinez Monsivais
With the Washington Monument in the background, visitors take a stroll under the blooming cherry blossoms along the Tidal Basin in Washington, Friday, March 30, 2007.
AP Photo/Pablo Martinez Monsivais
Visitors take a stroll under the cherry blossoms along the Tidal Basin in Washington, Friday, March 30, 2007.
AP Photo/Pablo Martinez Monsivais
Visitors take a stroll under the cherry blossoms as a pedal boat passes by along the Tidal Basin in Washington, Friday, March 30, 2007.
AP Photo/Jacquelyn Martin
Cherry blossoms, not quite in bloom, line the tidal basin area as the Washington Monument is reflected in the water early Tuesday, March 27, 2007, in Washington. The trees are estimated to be at peak bloom on April 4.
AP Photo/Jacquelyn Martin
Cherry blossoms in their peduncle elongation phase line the tidal basin area in the Tuesday morning, March 27, 2007 in Washington. The peduncle is the stalk supporting the cluster of flowers to come.
AP Photo/Koji Sasahara
People in a canoe enjoy cherry blossoms in Yokohama, near Tokyo, Sunday, April 1, 2007. Tens of millions of people across Japan are expected to view the cherry blossoms this year.
GETTY IMAGES/Koichi Kamoshida
A woman walks under the cherry blossoms in full bloom at Chidorigafuchi, Chiyoda-ku on Friday, March 30, 2007 in Tokyo, Japan. Chidorigafuchi is one of the major cherry blossom-viewing spots in Tokyo.
Getty Images/Koichi Kamoshida
A woman photographs the cherry blossoms at Chidorigafuchi, Chiyoda-ku on Friday, March 30, 2007 in Tokyo. Chidorigafuchi is the northeastern moat of the Imperial Palace.
Yoshikazu Tsuno/AFP/Getty Images
A family strolls under cherry blossoms on a promenade alongside a river in Tokyo, Thursday, March 29, 2007. Millions of people enjoyed cherry blossom viewing parties in Tokyo on the bright spring day.
GETTY IMAGES/Koichi Kamoshida
Cherry blossoms bloom at Chidorigafuchi, Chiyoda-ku on Friday, March 30, 2007 in Tokyo. Chidorigafuchi is one of the major cherry blossom-viewing spots in Tokyo.
Getty Images/Koichi Kamoshida
Cherry blossoms bloom at Chidorigafuchi, Chiyoda-ku on Friday, March 30, 2007 in Tokyo. Chidorigafuchi is one of the major cherry blossom-viewing spots in Tokyo.
GETTY IMAGES/Junko Kimura
King Carl XVI Gustaf and Queen Silvia of Sweden stand under a cherry blossom tree in bloom, in the garden of Happoen, after attending a luncheon organized by the Swedish Chamber of Commerce and Industry in Japan on Tuesday, March 27, 2007 in Tokyo. The Swedish King and the Queen were on a one week trip to Japan.
