This Week in Photos, Week of Feb. 24-March 1, 2012

Tower Bridge opens to make way for giant Olympic rings as they are towed down the River Thames in London.

Dwyane Wade of the Miami Heat takes a shot against Blake Griffin of the Los Angeles Clippers during the 2012 NBA All-Star Game in Orlando, FL.

Leo, a beagle, shakes hands with his owner after a news conference at the American Kennel Club in New York. For the first time, Beagles are the third most popular dog in America, behind Labrador retrievers and German shepherds.

Scotland and France fans show their support for their teams before the RBS 6 Nations Rugby match between the 2 countries at Murrayfield Stadium in Edinburgh, Scotland.

Actresses Octavia Spencer and Viola Davis arrive at the 84th Annual Academy Awards held at the Hollywood & Highland Center in Hollywood, CA.

Spectators take pictures during a video exhibition on the facade of the Duomo cathedral in downtown Milan.

Ringling Bros. and Barnum & Bailey clowns visit the Empire State Building to celebrate their new national touring show DRAGONS, playing in the New York City area this March.

Children play in the snow after a storm in Ankara, Turkey.

Polar bear Huggies and her twin cubs make their first public appearance at the Ouwehands Zoo in the Netherlands. Ouwehands is one of 2 zoos participating in a special breeding program for endangered polar bears.

John Vandermark proudly wears his “I Voted” sticker on primary day in Michigan, where Mitt Romney edged out Rick Santorum for the win.

People in Yangon, Myanmar, visit the Shwedagon Pagoda during its 2,600th anniversary. The 321-foot-tall gilded pagoda is the most sacred Buddhist site in the country.

Russian cosmonaut Yuri Malenchenko (C), Japanese astronaut Akihiko Hoshide (L) and US astronaut Sunita Williams (R) on their way to a training exercise at the Star City Cosmonaut Training Center outside Moscow. The team is scheduled to launch a mission to the International Space Station this summer.

Denny Hamlin leads the field during the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway in Florida.