Habimana, 45, and her children walk to market to sell pottery on Idjwi island in the Democratic Republic of Congo, November 23, 2016. (Photo by Therese Di Campo/Reuters)

A Syrian refugee girl covers herself with a blanket as she stands outside tents at a makeshift settlement in Bar Elias in the Bekaa valley January 5, 2015. Lebanon enforced new immigration controls at the Syrian border on Monday in a move to gain control of the steady stream of refugees from its much larger neighbour. (Photo by Mohamed Azakir/Reuters)

A Naga man carries fish in his teeth after it was stunned by dynamite, which fishermen threw in a creek between Donhe and Lahe township, in the Naga Self-Administered Zone in northwest Myanmar December 27, 2014. (Photo by Soe Zeya Tun/Reuters)

Emperor penguins gathered together to keep their chicks warm in these pictures. Marine scientist Frederique Oliver snapped the protective parents in Antarctica as they huddled against the huge winds.The adorable birds have to battle temperatures on -20 degrees Celsius as well as winds of up to 40 knots on the ice. (Photo by Frederique Oliver/Caters News)

A cat dressed in a traditional Ukrainian embroidered shirt takes part in a parade in Kiev, Ukraine on May 28, 2016. (Photo by Gleb Garanich/Reuters)

People wearing and holding helmets take part in a drill simulating a 7.2 magnitude earthquake in Tokyo, Japan, August 26, 2016. The drill was held in Ginza, a high-end shopping and business district, and held ahead of the 93rd anniversary of the Great Kanto Earthquake of 1923 which claimed at least 100,000 casualties. It was one of the largest natural disasters in recorded history and since 1960, September 1st, and the period around that date has been declared as national disaster prevention awareness period. (Photo by Kim Kyung-Hoon/Reuters)

Colombian police help carry people's household belongings across the Tachira River from Venezuela, top, to Colombia, on the border that separates San Antonio del Tachira, Venezuela from Villa del Rosario, Colombia, Tuesday, August 25, 2015, during a mass exodus of Colombians. Venezuelan President Nicolas Maduro vowed to extend a crackdown on illegal migrants from neighboring Colombia he blames for rampant crime and widespread shortages, while authorities across the border struggled to attend to droves of returning deportees. (Photo by Eliecer Mantilla/AP Photo)

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