A bicycle is parked under pictures of Cuba's former president Fidel Castro, Raul Castro, brother of Fidel and Cuba's president, and revolutionary hero Ernesto 'Che' Guevara (L-R) in an office in Havana December 19, 2014. With Washington agreeing to restore full diplomatic ties that were cut in the early 1960s, Cuba's communist government may not be able to blame its old Cold War nemesis so readily. Cuba has repeatedly sought to dispel the idea that it secretly wanted the embargo in place, saying if the Americans believed that they should challenge Cuba by lifting it.

Enrique De La Osa/Reuters

A bicycle is parked under pictures of Cuba’s former president Fidel Castro, Raul Castro, brother of Fidel and Cuba’s president, and revolutionary hero Ernesto ‘Che’ Guevara in an office in Havana on Friday. Washington has agreed to restore full diplomatic ties that were cut in the early 1960s, with its old Cold War nemesis

Palestinian protester dressed as Santa Claus holds a Palestinian flag as he argues with Israeli soldiers during a demonstration against Israeli settlements in the village of Maasara near the West Bank city of Bethlehem...A Palestinian protester dressed as Santa Claus holds a Palestinian flag as he argues with Israeli soldiers during a demonstration against Israeli settlements in the village of Maasara near the West Bank city of Bethlehem December 19, 2014.

Mussa Qawasma/Reuters

A Palestinian protester dressed as Santa Claus holds a Palestinian flag as he argues with Israeli soldiers during a demonstration against Israeli settlements in the village of Maasara near the West Bank city of Bethlehem

A king penguin looks over at a man dressed as Santa Claus who wears a scuba mask as he poses in their tank at the Marineland animal park in Antibes...A king penguin looks over at a man dressed as Santa Claus who wears a scuba mask as he poses in their tank at the Marineland animal park in Antibes, December 19, 2014.     REUTERS/Eric Gaillard (FRANCE - Tags: ANIMALS SOCIETY)

Eric Gaillard/Reuters

A king penguin looks over at a man dressed as Santa Claus who wears a scuba mask as he poses in their tank at the Marineland animal park in Antibes 

An artist of the Cirque du Soleil performs during the show "Quidam" at the Meo Arena pavilion in Lisbon, Portugal Thursday, Dec. 18, 2014. (AP Photo/Francisco Seco) EDITORIAL USE ONLY

Francisco Seco/AP

An artist of the Cirque du Soleil performs during the show “Quidam” at the Meo Arena pavilion in Lisbon, Portugal 

Heavy rain caused flooding in southern Thailand...epaselect epa04534557 A photo made available on 19 December 2014 shows a Thai child wading through floodwater during heavy rain at a Thai-Malaysian border district of Waeng, Narathiwat province, southern Thailand, 17 December 2014. Floods triggered by heavy rains along the Thai-Malaysian border province killed one child and two people missing affected tens of thousands villagers, media reports.  EPA/STR THAILAND OUT

EPA

A child wading through floodwater during heavy rain at a Thai-Malaysian border district of Waeng, Narathiwat province, southern Thailand. Floods triggered by heavy rains along the Thai-Malaysian border province killed one child and two people missing affected tens of thousands villagers, media reports. 

A Kurdish Peshmerga fighter holds up a piece of clothing worn by an Islamic State fighter in Kesarej village, south of Zumar, Nineveh province. Kurdish peshmerga fighters have fought their way to Iraq's Sinjar mountain and freed hundreds of people trapped there by Islamic State fighter. The assault, backed by U.S. air strikes, ended the months-long ordeal of hundreds of people from Iraq's Yazidi religious minority, who had been besieged on the mountain since Islamic State stormed Sinjar and other Kurdish-controlled parts of northern Iraq in August.

Ari Jalal/Reuters

A Kurdish Peshmerga fighter holds up a piece of clothing worn by an Islamic State fighter in Kesarej village, south of Zumar, Nineveh province. Kurdish peshmerga fighters have fought their way to Iraq’s Sinjar mountain and freed hundreds of people trapped there by Islamic State fighter. The assault, backed by U.S. air strikes, ended the months-long ordeal of hundreds of people from Iraq’s Yazidi religious minority, who had been besieged on the mountain since Islamic State stormed Sinjar and other Kurdish-controlled parts of northern Iraq in August

Pakistani schoolchildren look out the doorway of their school, before a special class about the victims killed in Tuesday's Taliban attack on a military-run school in Peshawar, at Ranrra school in Rawalpindi, Pakistan, Friday, Dec. 19, 2014. Pakistani jets and ground forces killed 67 militants in a northwestern tribal region near the Afghan border, officials said Friday, days after Taliban fighters killed 148 people   most of them children   in a school massacre.

Muhammed Muheisen/AP

Pakistani schoolchildren look out the doorway of their school, before a special class about the victims killed in Tuesday’s Taliban attack on a military-run school in Peshawar, at Ranrra school in Rawalpindi, Pakistan on Friday

Workers warm themselves around a fire at a wholesale grocery market on a winter morning in the old quarters of Delhi December 19, 2014.

Ahmad Masood/Reuters

Workers warm themselves around a fire at a wholesale grocery market on a winter morning in the old quarters of Delhi on Friday

Buddhist monks look at the Thai navy police boat which was swept almost 2 km inland during the 2004 Indian Ocean Tsunami as they visit a memorial in Khao Lak...Buddhist monks look at the Thai navy police boat which was swept almost 2 km (1.2 miles) inland during the 2004 Indian Ocean Tsunami as they visit a memorial in Khao Lak, in Thailand's Phang Nga province, about 110 km (68 miles) north of the resort island of Phuket, December 14, 2014. On the day of tsunami, Thai navy boat 813 was on patrol about one nautical mile offshore serving as a guard to members of royal family staying at one of the resorts near-by. Thailand prepares to mark the tenth anniversary of the 2004 tsunami, the deadliest on the record, that killed at least 226,000 people in 13 Asian and African countries. In Thailand, over 5300 people were killed, including several thousand foreign tourists, when the waves swamped six coastal provinces, turning some of the world's most beautiful beaches into mass graves.  REUTERS/Damir Sagolj (THAILAND - Tags: DISASTER ENVIRONMENT SOCIETY ANNIVERSARY TPX IMAGES OF THE DAY)      ATTENTION EDITORS: PICTURE 2 OF 29 FOR WIDER IMAGE PACKAGE 'INDIAN OCEAN TSUNAMI - 10 YEARS ON'    SEARCH 'DAMIR TSUNAMI' FOR ALL IMAGES

Damir Sagolj/Reuters

Buddhist monks look at the Thai navy police boat which was swept almost 2 km (1.2 miles) inland during the 2004 Indian Ocean Tsunami as they visit a memorial in Khao Lak, in Thailand‘s Phang Nga province, about 110 km (68 miles) north of the resort island of Phuket. On the day of tsunami, Thai navy boat 813 was on patrol about one nautical mile offshore serving as a guard to members of royal family staying at one of the resorts near-by. Thailand prepares to mark the tenth anniversary of the 2004 tsunami, the deadliest on the record, that killed at least 226,000 people in 13 Asian and African countries. In Thailand, over 5300 people were killed, including several thousand foreign tourists, when the waves swamped six coastal provinces, turning some of the world’s most beautiful beaches into mass graves.

The rising sun lights smoke in the air as a man crosses the street near Forward Operating Base Fenty in the Nangarhar province of Afghanistan...The rising sun lights smoke in the air as a man crosses the street near Forward Operating Base Fenty in the Nangarhar province of Afghanistan December 19, 2014. REUTERS/Lucas Jackson (AFGHANISTAN - Tags: CIVIL UNREST POLITICS MILITARY CONFLICT ENVIRONMENT TPX IMAGES OF THE DAY)

Lucas Jackson/Reuters

The rising sun lights smoke in the air as a man crosses the street near Forward Operating Base Fenty in the Nangarhar province of Afghanistan