A soldier walks at a Turkish military outpost overlooking the Syrian city of Kobani, on a hilltop outside Suruc, on the Turkey-Syria border Monday, November 17, 2014. Kobani, also known as Ayn Arab, and its surrounding areas, has been under assault by extremists of the Islamic State group since mid-September and is being defended by Kurdish fighters. (Photo by Vadim Ghirda/AP Photo)

Charlie Wi of the United States warms up on the driving range prior to the start of round two at the Country Club of Jackson on November 7, 2014 in Jackson, Mississippi. (Photo by Marianna Massey/Getty Images)

An Indian vendor waits for customer as he sales paper windmills near the Arabian Sea coast in Mumbai, India, November 17, 2014. (Photo by Divyakant Solanki/EPA)

Adnan Khan directs his horse to perform in an attempt to attract people visiting Clifton beach in Karachi, Pakistan, Friday, November 14, 2014. Khan earns his living by providing the horse ride to customers visiting a beach. (Photo by Shakil Adil/AP Photo)

A Buddhist monk films with a camera as people visit Uppatasanti Pagoda in Naypyitaw during sunset November 9, 2014. (Photo by Damir Sagolj/Reuters)

A farmer rides his horse after finishing his day's work as the sun sets in the outskirts of Managua November 11, 2014. (Photo by Oswaldo Rivas/Reuters)

A skateboarder rides at the Venice Skatepark in Venice, California November 7, 2014. (Photo by Jonathan Alcorn/Reuters)

U.S. President Barack Obama climbs the steps of Air Force One as the sun sets in Yangon, Myanmar November 14, 2014. Obama is flying overnight to Brisbane, Australia for the G20 Summit. (Photo by Kevin Lamarque/Reuters)

A fisherman packs up and leaves Battery Park at sunset after fishing on the Hudson River in New York November 15, 2014. (Photo by John Schults/Reuters)

Indian fishermen from Koli community carry their catch in fishing nets near the Arabian Sea coast in Mumbai, India, November 18, 2014. (Photo by Divyakant Solanki/EPA)

Members of the National Cadet Corps (NCC) march behind a partition during celebrations marking the 66th anniversary of the creation of the NCC in Kolkata November 16, 2014. (Photo by Rupak De Chowdhuri/Reuters)

Youths pose for photographs as they climb on top of a sculpture in the form of a giant pair of spectacles on Cape Town's Sea Point Promenade, November 18, 2014. Inspired by Nelson Mandela, the work “Perceiving Freedom” by artist Michael Elion has stirred some controversy in the local media. While popular with visitors to the promenade, some critics have questioned the association of Mandela's legacy with commercial sponsors. (Photo by Mike Hutchings/Reuters)

A Santa Claus puppet holding a Christmas tree is pictured against the sun in Berlin November 23, 2014. (Photo by Hannibal Hanschke/Reuters)

Pink footed geese take off to feed from Montrose Basin on November 5, 2014 in Montrose, Scotland. Staff and volunteers at the Scottish Wildlife Trust have recorded more than 78,000 geese arriving to spend the winter in the reserve, eclipsing a previous record, set in 2010, which saw 65,060 geese arrive at the nature reserve. (Photo by Jeff J Mitchell/Getty Images)

Afghan security force keeps watch as they block a road at the site of suicide car bomb at the gate of Green Village compound, a large fortified complex where many foreign employees live and work in Kabul, on November 19, 2014. (Photo by Shah Marai/AFP Photo)

Small waves break at the Tagus riverbank as people take photographs at the Cais das Colunas dock in downtown Lisbon, Sunday, November 16, 2014. The place is a popular location for locals and tourists to pause, relax or take photographs. (Photo by Francisco Seco/AP Photo)

Capitol hill staff members walk past a window showing colorful fall leaves, inside the Russell Senate Office Building, November 12, 2014 in Washington, DC. Today Congress returned to work after their mid-term election break. (Photo by Mark Wilson/Getty Images)

Pedestrians make their way through downtown Cincinnati, Monday morning, November 17, 2014, as the season's first snowfall resulted in thousands of power outages in the Cincinnati area. The National Weather Service reported accumulations of 2 to 4 inches of snow in northern and central Ohio by Monday morning, while the southwest section of the state got 3 to 5 inches. (Photo by Carrie Cochran/AP Photo/The Cincinnati Enquirer)

Birds fly as the sun sets through haze in Beijing Wednesday, November 19, 2014. Chinese officials have imposed energy consumption caps for 2020 aimed at making the country less dependent on coal. Under the State Council's development plan issued Wednesday, the allowable growth by 2020 in energy consumption would be 28 percent of the 2013 level. For coal, growth would be limited to 16 percent of the 2013 level. (Photo by Andy Wong/AP Photo)

Pakistani children play on the roof of a house on the outskirts of Lahore on November 19, 2014. The United Nations' Universal Children's Day is celebrated annually on November 20 to promote worldwide fraternity and understanding between children. (Photo by Arif Ali/AFP Photo)

The sun shines through clouds Wednesday morning November 12, 2014, in Salina, Kan. (Photo by Tom Dorsey/AP Photo/Salina Journal)

A cyclist films smoke from an art installation by artist Fabian Knecht beside the “Neue Nationalgalerie” gallery in Berlin November 1, 2014. (Photo by Hannibal Hanschke/Reuters)

A worker is silhouetted against the setting sun as he walks across the top floor of a new hotel under construction Thursday, November 20, 2014, in Olathe, Kan. (Photo by Charlie Riedel/AP Photo)

A blue herring walks along the beach at sunset, Wednesday, November 19, 2014, in Orange Beach, Ala. (Photo by Brynn Anderson/AP Photo)