Antonia the polar bear swims at Zoom Erlebniswelt amusement park in Gelsenkirchen, Germany, on Tuesday.
A runner leads a pack of El Pilar fighting bulls during the running of the bulls at the San Fermin festival in Pamplona, Spain, on July 13.
Tibetan artists in traditional costumes perform during a public function to mark the 75th birthday of Tibetan spiritual leader the Dalai Lama, in Dharmsala, India, on Tuesday.
An gallery assistant stands on the artwork 'Floor' created by South Korean artist Do Ho-suh at the Hong Kong International Art Fair on Friday. The art fair is open from May 27 to 30, which attracts the gathering of artists, gallery directors, curators and collectors.
In this critical phase of the Afghanistan war, Gen. Stanley McCrystal says NATO and Afghan efforts to secure Marjah are moving too slowly. 'By day there is government. By night it's the Taliban,' says one Afghan tribal leader.
South Koreans watch a live TV broadcast of South Korean climber Oh Eun-sun reaching the summit of Annapurna in Nepal on Tuesday. Oh made history in the Himalayas by becoming the first woman to scale the world's 14 highest mountains, beating out a Spanish rival for the record.
A US Army soldier scans an eye of an Afghan suspect at a local police station in Kandahar, Afghanistan, on March 24.
Argentine artist Nicolas Garcia Uriburu, accompanied by Greenpeace activists, throws a green substance in the Riachuelo River as part of a protest in Buenos Aires, Argentina, on March 22. Greenpeace dyed the river green, the most polluted in the nation's capital, to mark World Water Day.
US space shuttle Endeavour blasted off from Cape Canaveral, Fla., in what was probably the shuttle program’s final nighttime launch.