

Visitors look at artwork by American artist Tony Oursler entitled 'Eyes,' at a gallery in Beijing on Thursday. Ng Han Guan/AP
A visitor takes a picture inside an art installation entitled 'Feelings are Facts,' in Beijing on Thursday. The work is jointly produced by Danish-Icelandic artist Olafur Eliasson and Chinese artist Ma Yansong and uses lights, mist, and temperature to create artificial environments, with the aim of challenging the viewer's relationship with both nature and urban environments. Ng Han Guan/AP
Norwegian Tomas Lovold (l.) releases his stone as teammates sweep during a curling match against China at the World Curling Championships in Cortina D'Ampezzo, Italy, on Thursday. Antonio Calanni/AP
A Single-watted Cassowary from West Africa is seen at the Bird Park in Walsrode, Germany, on Thursday. Thousands of birds from about 650 species live in the park. Focke Strangmann/AP
Transportation Security Administration (TSA) Behavior Detection Officer Terrance McCalin (r.) watches United Airlines passengers checking in for a flight from Washignton's Ronald Reagan National Airport on Thursday. A Qatari diplomat was taken into custody Wednesday evening after smoking in the airplane's bathroom and then joking about trying to light a shoe bomb while on a flight to Denver. Air marshals then restrained him, and military jets were scrambled to escort the Boeing 757 and its 157 passengers to the ground. President Obama was briefed on the situation aboard Air Force One. Mauel Balce Ceneta/AP
Golfing greats Jack Nicklaus (l.) and Arnold Palmer stand together during the ceremonial first tee shots at the first round of the Masters golf tournament in Augusta, Ga., on Thursday. Morry Gash/AP
Displaced Sudanese women fill their containers at a water point in the Abu Shouk camp at Al Fasher in northern Darfur, Sudan, on Thursday. Zohra Bensemra/Reuters
Members of Cirque du Soleil perform at a preview of 'Totem,' the latest production from the Montreal-based circus, on Thursday in Montreal. Paul Chiasson/The Canadian Press/AP
A couple walk beneath a display of sneakers hanging from the ceiling of a shoe store in Tokyo on Thursday. Shizuo Kambayashi/AP
David Morin, a marine mammal biologist with the National Oceanic and Atmospheric Administration Fisheries, tries to loop a rope around the tail of a beached baby humpback whale in East Hampton, NY, on Thursday. David Goldman/AP
Apple Inc. CEO Steve Jobs speaks in front of the display showing buttons of various apps during iPhone OS4 special events at Apple headquarters in Cupertino, Calif., on Thursday. Robert Galbraith/Reuters
US President Barack Obama and Russian President Dmitry Medvedev sign the new Strategic Arms Reduction Treaty (START II) at Prague Castle in Prague, Czech Republic, on Thursday. Jason Reed/Reuters
People try to salvage their belongings after a fire at a slum area in Ghazipur, India, on Thursday. The fire was reportedly started after a power transmission line fell. About 600 dwellings were gutted but no casualties were reported, according to the fire department. Mustafa Quarishi/AP
Boars forage in Bainem Forest, Algiers, on Thursday. Louafi Larbi/Reuters
Relatives comfort each other as they mourn victims of a landslide in the Niteroi neighborhood of Rio de Janeiro on Thursday. After heavy rains, at least 200 people were buried under the latest landslide to hit a slum in Rio de Janeiro's metropolitan area, authorities said. Felipe Dana/AP
Opposition supporters gather in front of the Kyrgyz government headquarters in central square in Bishkek, Kyrgyzstan, on Thursday. An opposition coalition said it has formed an interim government, which will rule the turbulent nation for six months. Leader Roza Otunbayeva said Thursday she will head the government that dissolved parliament and will take up temporary legislative duties. Alexander Zemlianichenko/AP