Published May 30, 2013
This image provided by KFOR-TV shows storm clouds moving over Guthrie, Oklahoma.
A chipping sparrow tugs on some loose threads of weathered clothing while gathering nest-building materials in a garden in Freeport, Maine, USA.
A tourist is reflected in a glass surface as she walks in the newly-opened first floor of the Museum of the ancient Agora, Stoa of Attalos, central Athens, Greece.
Canada's Prime Minister Stephen Harper (R) walks in the Hall of Honor with Chile's President Sebastian Pinera on Parliament Hill in Ottawa.
Farmers shear an alpaca in its enclosure at a zoo in Shijiazhuang, Hebaei province, China.
The U.S. Air Force Academy Class of 2013 marches into the Academy's Falcon Stadium for graduation in Colorado Springs, Colorado, May 29, 2013. (U.S. Air Force Photo by Mike Kaplan)
A man carrying an umbrella walks across the Old Town Square during a rainstorm in Prague, Czech Republic.
People take pictures of sunset on 42nd street in New York City, during the biannual occurrence named "Manhattanhenge", May 29, 2013. "Manhattanhenge", coined by astrophysicist Neil deGrasse Tyson, occurs when the setting sun aligns itself with the east-west grid of streets in Manhattan, allowing the sun to shine down all streets at the same time.
Students pose for pictures with "big cigarette models" during a campaign ahead of the World No Tobacco Day, at a primary school in Handan, Hebei province, China, May 29, 2013.
Anna Karolina Schmiedlova of Slovakia eyes the ball during the women's singles match against Jamie Hampton of the U.S. at the French Open tennis tournament at the Roland Garros stadium in Paris, France.