Bosnian people walking on the street during heavy smog in northern Bosnian town of Tuzla, 140 kms. north of Sarajevo, Monday, Dec. 16, 2013. Due to heavy fog and air pollution visibility was down to 10 meters (33-feet). Medical officials urged people not to spend too much time outdoors, with particular warnings issued to those suffering from respiratory or heart diseases.
Boston Celtics' Rajon Rondo, left, warms up with teammate Kelly Olynyk before an NBA basketball game against the Minnesota Timberwolves in Boston, Monday, Dec. 16, 2013.
Movie actor Jackie Chan speaks to promote his new film "Police Story 2013" during a press conference, Tuesday, Dec. 17, 2013 in Singapore. Chan who stars in the movie will attend the movie premier at the MasterCard Theatres at the Marina Bay Sands.
A rescue worker is lowered from a Canadian military helicopter as they retrieve a crane operator who was stranded atop a crane when fire broke out in an apartment building under construction in downtown Kingston, Ontario, Tuesday, Dec. 17, 2013. The crane operator was taken to a waiting ambulance, and police say he was believed to have only minor injuries.
In this photo taken on Tuesday, Dec. 17, 2013, Mathieu Dechavanne, head of the Compagnie du Mont Blanc which runs the new attraction, stands in a glass cage named 'Pas dans le Vide' (Step into the Void) at the top of the Aiguille du Midi peak (3842-meters high or 12,604 feet), in the French Alps, during a press visit. Visitors can enjoy the view of Mont Blanc, Europe's highest mountain, from the platform. The attraction opens Saturday.
In this Wednesday, Dec. 4, 2013 photo, a zoo keeper shows Abyad on a wheeled dog cart at the Humane Center for Animal Welfare in Amman, Jordan. Abyad legs were injured in an incident of abuse. Dog breeding coupled with dognapping is a thriving business in Jordan, where lax laws call for only a $7 fine for violators and police remain hesitant to pursue those suspected of animal abuse. Activists have campaigned for years for increased penalties, but lawmakers seem uninterested to pursue it in a culture where animal abuse remains rampant.
Displaced children from a Pakistani tribal area of Bajur due to fighting between militants and security forces cross a stream in Islamabad's slum, Pakistan, Wednesday, Dec. 18, 2013. Thousands of locally displaced people and refugees from neighboring Afghanistan live in Islamabad's suburbs without basic amenities.
Tourists ride in a classic American car that serves as a taxi in Havana, Cuba, Thursday, Dec. 19, 2013. In many parts of Havana, the cityscape is changing rapidly. Along once darkened streets, pedestrians now walk through the neon glow of signs advertising new bars, restaurants and rooms for rent. Increasingly, late-mode European and Asian automobiles share the road with vintage Chevrolets and boxy Russian Ladas, idling at new stoplights.
A couple poses under an illuminated tunnel to celebrate the upcoming Christmas and New Year at Garden of Morning Calm in Gapyeong, South Korea, Friday, Dec. 20, 2013. Christmas is one of the biggest holidays in South Korea.
A young man marches in a protest calling for the resignation of President Michel Djotodia and the departure of Chadian peacekeepers, in Bangui, Central African Republic, Friday, Dec. 20, 2013. After a period of relative calm, violence has flared anew in the Central African Republic, with angry demonstrations against Chadian peacekeepers, shootouts at checkpoints, and the destruction of a mosque.