Demonstrators flip a car to block off a street during a protest demanding the resignation of President Michel Martelly in Port-au-Prince, Haiti, Sunday, January 11, 2015. At the same time, Martelly and opposition officials were locked again in negotiations at a hotel, trying to forge a last-minute deal to resolve a standoff that's stalling elections. Martelly will rule by decree if they don't resolve the political crisis by the end of Monday. (Photo by Dieu Nalio Chery/AP Photo)

A hot air balloon floats upwards during the International Balloon trophy in the village of Filzmoos January 14, 2015. Over 35 hot air balloons from all over Europe participated in the weeklong event in the middle of the Austrian Alps. (Photo by Leonhard Foeger/Reuters)

A security guard walks past lights set up as part of an ice carvings festival held inside the Worker's Stadium in Beijing, Wednesday, January 14, 2015. (Photo by Ng Han Guan/AP Photo)

Germany's Severin Freund soars through the air during his trial jump at the 17th World Cup Ski Jumping competition, in Wisla, Poland, Thursday, January 15, 2015. (Photo by Alik Keplicz/AP Photo)

A Tanzanian girl smiles as she makes her way back from school in Arusha, eastern Tanzania, Thursday, January 15, 2015. The city is close to national parks including Serengeti and Kilimanjaro. (Photo by Mosa'ab Elshamy/AP Photo)

An elephant poses with a circus performer during the presentation of the 39th Monte-Carlo International Circus Festival in Monaco, Tuesday, January 13, 2015.The Circus Festival takes place from Jan. 15 to Jan. 25. (Photo by Lionel Cironneau/AP Photo)

Children play under a shawl next to an elderly Afghan refugee man resting on a bed outside his mud house in a slum on the outskirts of Islamabad, Pakistan, Thursday, January 15, 2015. (Photo by Muhammed Muheisen/AP Photo)

Afghan refugee children gather in a slum on the outskirts of Islamabad, Pakistan, Wednesday, January 14, 2015. (Photo by Muhammed Muheisen/AP Photo)

Bangladesh ruling Awami League party activists try to beat a protester, center, outside the Bangladesh National Mosque during a protest in Dhaka, Bangladesh, Thursday, January 15, 2015. The protest was against Bangladeshi Prime Minister and leader of the Awami League party Sheikh Hasina and former telecommunication minister Abdul Latif Siddique after his alleged anti-Islam comments at a rally. (Photo by A. M. Ahad/AP Photo)

In this photo taken from an Indonesian Air Force Super Puma helicopter, portion of the tail of AirAsia Flight 8501 is seen on the deck of rescue ship Crest Onyx after it was recovered from the sea floor on the Java Sea, Saturday, January 10, 2015. Investigators searching for the crashed plane's black boxes lifted the tail portion of the jet out of the Java Sea on Saturday, two weeks after it went down, killing all 162 people on board. (Photo by AP Photo/Suharso)

The tail of AirAsia QZ8501 passenger plane is seen on the deck of the Indonesian Search and Rescue (BASARNAS) ship Crest Onyx after it was lifted from the sea bed, south of Pangkalan Bun, Central Kalimantan January 10, 2015. Indonesian search and rescue teams raised on Saturday the tail of an AirAsia passenger jet that crashed nearly two weeks ago with the loss of all 162 people on board, and will soon search it for the flight recorders. Indonesia AirAsia Flight QZ8501 lost contact with air traffic control during bad weather on Dec. 28, less than half way into a two-hour flight from Indonesia to Singapore. There were no survivors. (Photo by Prasetyo Utomo/Reuters)

In this picture taken late Tuesday, January 13, 2015, the bodies of the victims of a shelling attack on a passenger bus near the eastern Ukraine town of Volnovakha are laid out by the side of the road. In the single largest loss of life so far this year, civilians traveling on a commuter bus from Donetsk were killed Tuesday afternoon by what Ukrainian say were rockets fired from a Grad launcher in rebel territory. Regional authorities loyal to Kiev said the bus was passing a Ukrainian army checkpoint at the time, putting it in the line of fire. (Photo by Mykola Ryabchenko/AP Photo)

In this picture taken late Tuesday, January 13, 2015, the bodies of the victims of a shelling attack on a passenger bus near the eastern Ukraine town of Volnovakha are laid out by the side of the road. (Photo by Mykola Ryabchenko/AP Photo)

Masked protesters push a burning pick-up truck towards the entrance of an army base in the city of Chilpancingo, Mexico, Monday, January 12, 2015. The protest is part of ongoing unrest after 43 students disappeared on September 26, 2014, allegedly taken by police and handed over to a criminal gang who then killed them, according to government officials investigating the case. (Photo by Alejandrino Gonzalez/AP Photo)

Marco Tade, of Switzerland, jumps during the men's freestyle skiing World Cup dual moguls Saturday, January 10, 2015, in Park City, Utah. Tade came in third place. (Photo by Rick Bowmer/AP Photo)

Police officers from the special RAID (Recherche, assistance, intervention, dissuasion) and BRI (Brigades de recherche et dintervention) units get ready as a hostage situation occurs in a post office in Colombes, in the North West of Paris, France, 16 January 2015. From recent news reports, a man entered the post office heavily armed shortly after noon and still holds two persons hostage. (Photo by Ian Langsdon/EPA)

A photographer takes images of preserved panda bear “Yan Yan” sitting in a display box at the “Naturkundemuseum” natural history museum in Berlin, Germany, 12 January 2015. The museum's exhibition “Panda” runs until 31 July 2015. (Photo by Lukas Schulze/EPA)

Taiwanese actress Shu Qi gestures as she poses with British actor Luke Evans during a promotional event for Bulgari in Hong Kong, Thursday, January 15, 2015. (Photo by Vincent Yu/AP Photo)

While on his lunch hour, Jesse LaLonde rides a fat tire bike up Minnehaha Creek to get a look at Minnehaha Falls Tuesday, January 13, 2015 in Minneapolis. A steady stream of visitors descended on the falls Tuesday to view the frozen water and perhaps venture behind the falls. (Photo by Jeff Wheeler/AP Photo/The Star Tribune)

A man takes a picture with his mobile phone through heavy snow at the Dark Hedges on January 13, 2015 in Antrim, Northern Ireland. The Dark Hedges, named for it's unusual tree formation has become a recent tourist attraction after the setting was filmed as part of the hit HBO television series Game of Thrones which is filmed extensively in the province. (Photo by Charles McQuillan/Getty Images)

In a photo taken early on January 11, 2015 a hiker stretches at a viewpoint overlooking the Seoul city skyline. Early morning hikers and photographers are a familiar sight across the city's many viewpoints. (Photo by Ed Jones/AFP Photo)

A commuter struggles to get on a train due to the bus strike in London, Britain, January 13, 2015. Commuters struggled to get to work as London bus drivers held a 24-hour strike calling for better pay working conditions. (Photo by Facundo Arrizabalaga/EPA)

A young woman wearing no trousers hits the ski slopes at a ski resort in Xuzhou, in east China's Jiangsu province on January 13, 2015 in a promotional effort to equal “No Pants Subway Ride”, which was marked on January 11 this year. The promotional “No Pants Subway Ride” stunt on January 11 was held as commuters in some 60 cities around the world braved public transportation in their undies, which has gone global since its first staging by US group Improv Everywhere in New York in 2002. (Photo by AFP Photo)

Participants with no pants stand on a conveyor belt during a promotional event at a ski resort to echo the “No Pants Subway Ride” event, in Xuzhou, Jiangsu province January 13, 2015. (Photo by Reuters/Stringer)

Women wearing no pants pose for photographs during a promotional event at a ski resort to echo the “No Pants Subway Ride” event, in Xuzhou, Jiangsu province January 13, 2015. (Photo by Reuters/Stringer)

Young women wearing no trousers pose for a photo on the ski slopes at a ski resort in Xuzhou, in east China's Jiangsu province on January 13, 2015 in a promotional effort to equal “No Pants Subway Ride”, which was marked on January 11 this year. (Photo by AFP Photo)

Displaced Iraqis from the Yazidi community, who fled violence between Islamic State (IS) group jihadists and Peshmerga fighters in the northern Iraqi town of Sinjar, wait for bread to bake at Dawodiya camp for internally displaced people in the Kurdish city of Dohuk, in Iraq's northern autonomous Kurdistan region, on January 14, 2015. Tens of thousands of members of the Yazidi religious minority were trapped by IS on Mount Sinjar for days in the searing August heat in a first siege by IS that sparked fears of genocide. (Photo by Safin Hamed/AFP Photo)

Takara Tomy's Robi humanoid robots sit at Robi Cafe during a press preview Thursday, January 15, 2015, one day before its opening in Tokyo's Ginza district. Customers will be entertained by the 34-centimeter (13.4-inch) tall robot which can recognize more than 200 Japanese phrases, walk, dance and kick a ball at the cafe that opens on Friday until Feb. 8 as part of a promotion of the Weekly Robi Magazine that comes with the robot parts. The robot, created by Tomotaka Takahashi, research associate professor of the University of Tokyo, will be fully assembled with 70 volumes of the magazine. (Photo by Shizuo Kambayashi/AP Photo)

Opposition leader Alexei Navalny gets into a police car after he was detained while leaving a local broadcast radio station in Moscow January 14, 2015. Kremlin critic Navalny said on Jan. 5 he would no longer comply with the terms of his house arrest and had cut off his monitoring tag. Navalny, who led mass protests against Putin three years ago, was handed a suspended sentence on Dec. 30 after being found guilty of embezzling money in a trial which led to his brother being jailed on similar charges. (Photo by Maxim Zmeyev/Reuters)

Kaley Cuoco-Sweeting arrives at a special screening of Screen Gems' “The Wedding Ringer” at Marine Corps Air Station Miramar's Bob Hope Theater at on January 10, 2015 in San Diego, California. (Photo by Robert Benson/Getty Images for Screen Gems)

A North Carolina Highway Patrol officer works the scene after a Gaston County school bus overturned in Gastonia, N.C. Wednesday, January 14, 2015. The bus was carrying over forty middle school students when the accident occurred. Fifteen students were transported by ambulance to area hospitals with minor injuries. (Photo by John Clark/AP Photo/The Gaston Gazette)

Punxsutawney Phil is wheeled in a container by his handlers during the fourth day of the Pennsylvania Farm Show at the Pennsylvania Farm Show Complex and Expo Center in Harrisburg, Pa. on Tuesday, January 13, 2015. The groundhog is used to predict whether six more weeks of winter will follow every Feb. 2. (Photo by Sean Simmers/AP Photo/PennLive.com)