Shafts of sunlight are seen in front of St. Stephen's Tower, which houses the Big Ben bell, in London, Thursday, April 10, 2008. Thursday marks the 150th anniversary of Big Ben, the world famous Great Bell of Britain's Parliament buildings. The 15.1-ton bell was cast on April 10, 185,8 at the Whitechapel Bell Foundry in east London.
Credit: AP Photo/Kirsty Wigglesworth
Signs Of Spring
A squirrel sits in a tree in a garden in Schwentinental near Kiel, northern Germany, and nibbles at a hazelnut as temperatures warmed on Thursday, April 10, 2008.
Credit: AP Photo/Heribert Proepper
The former Russian Space Shuttle Buran is transported on a pontoon-boat on the river Rhine past the famous Loreley, left, in St. Goarshausen, central Germany, Thursday, April 10, 2008. The one-time pride of the Soviet space program is making a decidedly sedate journey to its new home, chugging up the Rhine River aboard the pontoon headed for the Technik-Museum Speyer in southwestern Germany.
Credit: AP Photo/Michael Probst
A white Bengal tiger soaks in a small pool to cool off at Dusit Zoo in Bangkok, Thailand, Thursday, April 10, 2008. Temperatures are rising in Thailand as the country enters its summer season.
Credit: AP Photo/Sakchai Lalit
Prayers In Pakistan
A Pakistani woman lights candles during prayers at the Sufi shrine Beri Iman on the outskirts of Islamabad, Pakistan, on Thursday, April 10, 2008.
Credit: AP Photo/Emilio Morenatti
President Bush makes a statement on Iraq, Thursday, April 10, 2008, in the Cross Hall of the White House in Washington.
Credit: AP Photo/Ron Edmonds
Historic airplanes that flew during World War II, including a B-17 bomber, right, fly over the U.S. Air Force Memorial, Thursday, April 10, 2008, in Arlington, Va.
Credit: AP Photo/Haraz N. Ghanbari
Johnson County residents survey the damage after an early morning storm ripped through their homes near Egan, just south of Burleson, Texas, Thursday, April 10, 2008. A line of severe thunderstorms that possibly spawned tornados dashed from West to North Texas overnight, snapping trees and damaging buildings.