Rebel fighters carry their weapons as they move towards their positions at the frontline against forces loyal to Assad in Maysaloun neighborhood in the old city of Aleppo...Rebel fighters carry their weapons as they move towards their positions at the frontline against forces loyal to Syria's President Bashar al-Assad in Maysaloun neighborhood in the old city of Aleppo November 24, 2014.

Abdalrhman Ismail/Reuters

Rebel fighters carry their weapons as they move towards their positions at the frontline against forces loyal to Syria’s President Bashar al-Assad in Maysaloun neighborhood in the old city of Aleppo on Monday

A South Korean soldier bows during a fourth anniversary event marking the bombing of Yeongpyeong island by North Korea in 2010.

Ed Jones/AFP/Getty Images

A South Korean soldier bows during a fourth anniversary event marking the bombing of Yeongpyeong island by North Korea in 2010.

Mayor of London Boris Johnson joins  some of world's best wheelchair tennis players outside City Hall in London, as they demonstrate their skills ahead of the forthcoming NEC Wheelchair Tennis Masters in Birmingham. PRESS ASSOCIATION Photo. Picture date: Monday November 24, 2014.

Steve Parsons/PA

Mayor of London Boris Johnson joins some of world’s best wheelchair tennis players outside City Hall in London, as they demonstrate their skills ahead of the forthcoming NEC Wheelchair Tennis Masters in Birmingham

A general view of the sunrise over Hawes, Wensleydale. PRESS ASSOCIATION Photo. Picture date: Monday November 24, 2014.

Neil Squires/PA

A general view of the sunrise over Hawes, Wensleydale on Monday morning

A child sits amongst top high school students during an annual award ceremony organized by Yemen's Education Ministry in Sanaa November 24, 2014. Forty-seven highest-scoring graduates of high schools nationwide were honoured by the government on Monday, and awarded with medals and cash prizes.

Khaled Abdullah/Reuters

A child sits among school students at an annual ceremony organised by Yemen’s Education Ministry in Sanaa. About 47 of the highest-scoring graduates from schools nationwide were given medals and cash by the government on Monday.

A shadow is cast on the ice as Julia Lipnitskaia of Russia performs during the gala exhibition at the ISU Bompard Trophy Figure Skating event in Bordeaux

Regis Duvignau/Reuters

Julia Lipnitskaia, of Russia, performs during the gala exhibition at the ISU Bompard Trophy figure-skating event in Bordeaux, France.

Retired paramilitary policemen, who conduct the daily national flag raising and lowering ceremony on Tiananmen Square, salute to a Chinese national flag...Retired paramilitary policemen, who conduct the daily national flag raising and lowering ceremony on Tiananmen Square, salute to a Chinese national flag during a farewell ceremony in Beijing, November 24, 2014.

Reuters

Retired paramilitary policemen, who raise and lower China’s flag every day in Tiananmen Square, salute during a farewell ceremony in Beijing on Monday.

Workers, near smoke from a flare, block an entrance of the port of Antwerp, one of the world's biggest port, during a strike in Antwerp November 24, 2014. A strike in parts of Belgium on Monday disrupted rail services and one of Europe's largest ports as trade unions and workers voice their anger over austerity measures announced by the country's new government.

Yves Herman/Reuters

Strikers, near smoke from a flare, block an entrance at Antwerp port, one of the world’s biggest, on Monday. Trade unions and workers voiced anger over austerity measures announced by Belgium’s new government.

A Palestinian school girl holds an umbrella as she walks near the ruins of houses that witnesses said were destroyed by Israeli shelling during the most recent conflict between Israel and Hamas, on a rainy day in the east of Gaza City...A Palestinian school girl holds an umbrella as she walks near the ruins of houses that witnesses said were destroyed by Israeli shelling during the most recent conflict between Israel and Hamas, on a rainy day in the east of Gaza City November 24, 2014.

Suhaib Salem/Reuters

A Palestinian girl walks near the ruins of houses that were destroyed by Israeli shelling during the most recent conflict between Israel and Hamas, on a rainy day in the east of Gaza City.

Bailiffs walk past people at a make-shift library set up by pro-democracy protesters blocking a main road at Mong Kok shopping district in Hong Kong, November 24, 2014. An injunction has been issued by the court, but not yet enforced, for two main streets in the gritty district of Mong Kok, which has seen some of the most violent clashes of the past seven weeks.

Bobby Yip/Reuters

Bailiffs walk past people at a makeshift library set up by pro-democracy protesters blocking a main road at the Mong Kok shopping district in Hong Kong on Monday. An injunction to clear the road has been issued but not yet enforced.