The first Zumwalt-class destroyer, the largest ever built for the U.S. Navy, heads down the Kennebec River after leaving Bath Iron Works, Monday, December 7, 2015, in Bath, Maine. The ship is headed out to sea for the first time to undergo sea trials. (Photo by Robert F. Bukaty/AP Photo)





Civilians and rescue workers remove a toddler and search for other victims amid the rubble of a building following a reported air strike by Syrian government forces on the Sukkari neighborhood of Syria's northern city of Aleppo on December 7, 2015. Syria's nearly five-year war has left more than 250,000 dead and forced some 12 million people from their homes. (Photo by Baraa Al-Halabi/AFP Photo)





A woman wears a scarf as she walks along a street in Beijing on December 7, 2015. (Photo by Wang Zhao/AFP Photo)





December 6, 2015; Beaver Creek, CO, USA; Andreas Zampa of Slovakia goes through a gate and loses a ski during first run of the men's giant slalom race in the FIS alpine skiing World Cup at Beaver Creek Mountain. (Photo by Erich Schlegel/USA TODAY Sports)





People walk in Red Square, with St. Basil's Cathedral seen in the background, in central Moscow, Russia, in this February 6, 2015 file photo. Russia's central bank is expected to make a rates decision this week. (Photo by Maxim Zmeyev/Reuters)





Actress Gina Rodriguez walks the red carpet before the Kennedy Center Honors at the Kennedy Center in Washington December 6, 2015. (Photo by James Lawler Duggan/Reuters)





American Shia Muslims march to the White House to protest against Islamic State, in Washington DC December 6, 2015. (Photo by James Lawler Duggan/Reuters)





An engineer works on Surena 3 humanoid robot (R) next to Surena 2 robot, in a lab at Tehran University, Iran December 6, 2015. The University of Tehran has developed a humanoid robot that weighs 98 kg. It can navigate uneven terrain and detect faces. (Photo by Raheb Homavandi/Reuters/TIMA)





The top of Switzerland's highest skyscaper the Prime Tower (126 metres /413 ft) peeps through the fog in front of the Swiss Alps, early morning in Zurich, Switzerland December 7, 2015. (Photo by Arnd Wiegmann/Reuters)





Italy's Mount Etna, Europe's tallest and most active volcano, spews lava as it erupts on the southern island of Sicily, Italy December 7, 2015. (Photo by Antonio Parrinello/Reuters)





Italy's Mount Etna, Europe's tallest and most active volcano, spews lava as it erupts on the southern island of Sicily, Italy December 7, 2015. (Photo by Antonio Parrinello/Reuters)





Italy's Mount Etna, Europe's tallest and most active volcano, spews lava as it erupts on the southern island of Sicily, Italy December 7, 2015. (Photo by Antonio Parrinello/Reuters)





A police officer stands on duty outside Leytonstone Underground station in east London, December 7, 2015. British detectives have charged a man with attempted murder after a knife attack at Leytonstone station on Saturday night which was described by police as a terrorist incident. Police said 29-year-old Muhaydin Mire of east London would appear at Westminster Magistrates' Court later on Monday. (Photo by Toby Melville/Reuters)





An aircraft takes off from Heathrow airport in west London September 2, 2014. Britain's Prime Minister David Cameron will present clear direction on whether to expand Heathrow Airport by the end of the year according to a spokeswoman. (Photo by Andrew Winning/Reuters)





German Chancellor Angela Merkel meets members of 4th Company, Rapid Action Force Medical Service (SES) of the German armed forces, Bundeswehr, at an army barracks in Leer, Ostfriesland, Germany December 7, 2015. (Photo by Fabian Bimmer/Reuters)





Russian Finance Minister Anton Siluanov (R) salutes to Prime Minister Dmitry Medvedev as they visit a museum at a data processing center in the town of Gorodets, Nizhny Novgorod region, Russia, December 7, 2015. (Photo by Dmitry Astakhov/Reuters/Sputnik)





Employees of a bar take pictures with their mobile phones of Spain's Prime Minister and People's Party (PP) candidate Mariano Rajoy (not pictured) as he walks along a street after an election campaign rally in downtown Estepona, southern Spain, December 7, 2015. (Photo by Jon Nazca/Reuters)





French carmaker Citroen presents its electric E-Mehari convertible, that will go into production in 2016 at its auto plant in Rennes, during a press event in Velizy-Villacoublay, France, December 7, 2015. (Photo by Charles Platiau/Reuters)





Garbage is pictured piled on a street during an on-going strike by cleaning companies' employees over the non-payment of several months of wages in Benghazi, Libya, December 7, 2015. (Photo by Esam Omran Al-Fetori/Reuters)





Garbage is pictured piled on a street during an on-going strike by cleaning companies' employees over the non-payment of several months of wages in Benghazi, Libya, December 7, 2015. (Photo by Esam Omran Al-Fetori/Reuters)





Performers wearing traditional attire attend the coronation of the newly installed monarch of Ile-Ife, Oba Adeyeye Ogunwusi, in Ile-Ife, southwest Nigeria December 7, 2015. (Photo by Akintunde Akinleye/Reuters)





A selection of AK and AR rifles are seen for sale at the Pony Express Firearms shop in Parker, Colorado December 7, 2015. Many Americans are stocking up on weapons after the country's worst mass shooting in three years. Gun retailers are reporting surging sales, with customers saying they want to keep handguns and rifles at hand for self-defense in the event of another attack. (Photo by Rick Wilking/Reuters)





Protesters yell during a demonstration outside the office of Chicago Mayor Rahm Emanuel in Chicago, Illinois, United States, December 7, 2015. (Photo by Jim Young/Reuters)





Racers compete in the 45km standing paddle race on December 5, 2015 in Papeete, as part of the 15th annual edition of the Bora Bora Ironmana Liquid Festival.
The best Polynesian and international athletes, coming from Australia to the United States and France, compete in the spirit of the Waterman and aim to prove themselves in the lagon of Bora Bora in the five stages, comprised on an open water swim of 12km, a prone paddle board of 25km, a stand-up paddle of 45km, as well as surprises for the 15th edition of the annual Bora Bora Ironmana Liquid Festival. (Photo by Gregory Boissy/AFP Photo)





Santa waves to a crowd from his flying sleigh in Montreux, Switzerland on December 7, 2015. (Photo by Xinhua/Barcroft Media)





A vendor tries to put out a fire at his kiosk during clashes between riot police and protesters in Athens on December 6, 2015. Anarchists turned part of central Athens into a battleground during a march to mark the seventh anniversary of the fatal shooting of 15-year-old boy by police. Alexis Grigoropoulos was shot dead by police on December 6, 2008 sparking weeks of riots. (Photo by Angelos Tzortzinis/AFP Photo)





The wife of jailed Venezuelan opposition leader Leopoldo Lopez, Lilian Tintori celebrates after knowing the first results of the legislative election, at the MUD headquarters in Caracas, on the early morning December 7, 2015. Venezuela's opposition won – at least – a majority of 99 out of 167 seats in the state legislature, electoral authorities said Monday, the first such shift in power in congress in 16 years. (Photo by Juan Barreto/AFP Photo)





Ruling party's supporters react in an almost empty Comando Bolivar-Chavez hall, where the ruling party's supporters had to have gathered to celebrate the election results, after the Venezuelan National Election Council's President, Tibisay Lucena (unseen), announced that opposition coalition Mesa de Unidad Democratica (MUD) won the legislative election, in Caracas, Venezuela, 06 December 2015. The Venezuelan opposition won national elections by a landslide, the head of the election council said early 07 December, with at least 99 of the 167 seats confirmed for the alliance of the MUD. It was the first defeat of the socialist movement since its founder Hugo Chavez came to power in a 1998 election. (Photo by Manaure Quintero/EPA)





A Philippines Airlines (PAL) plane flies over a Santa Claus doll hanged at a home (unseen) in Manila, Philippines, 07 December 2015. Filipinos celebrate the longest Christmas in the world which starts as early as September every year. (Photo by Francis R. Malasig/EPA)





Scuba divers dressed as mermaids dive in a tank with fish during a show at the Aquaria KLCC in Kuala Lumpur, Malaysia, 07 December 2015. Many activities are taking place during the school summer holidays in Malaysia. (Photo by Fazry Ismail/EPA)





A scuba diver dressed as a mermaid dives with fish during a show at the Aquaria KLCC in Kuala Lumpur, Malaysia, 07 December 2015. (Photo by Fazry Ismail/EPA)





A mannequin with asbestos clothes is being displayed in a stall of the third International Trade Expo for Building and Fire Safety organized by Hong Kong-based Elevate company in Dhaka, Bangladesh, 07 December 2015. More than 36 local and international companies and organizations take part in the three-day expo to show-case equipment needed for garment factories to ensure safe work condition. (Photo by Abir Abdullah/EPA)





Construction workers stand next to the tracks for the future German high-speed ICE train route inside the “Silberberg Tunnel” near Grossbreitenbach, Germany, 07 December 2015. The Silberberg Tunnel is 7,391 meters long and the second longest tunnel on the new route between Ebensfeld and Erfurt. (Photo by Martin Schutt/EPA)





Serbia's Ana Ivanovic of the Obi UAE Royals in action against Australia's Samantha Stosur of the Micromax Indian Aces at the second leg of the International Premier Tennis League (IPTL) at the Mall of Asia Arena in Pasay city, south of Manila, Philippines, 07 December 2015. The league features five teams made out of a hybrid mix of current and former men's and women's players. (Photo by Mark R. Cristino/EPA)





US President Barack Obama is seen through the window of the Oval Office delivering a rare, primetime address to the nation about the ongoing terror crisis and his plan to destroy the so-called Islamic State (IS or ISIS), in the White House, in Washington, DC, USA, 06 December 2015. This is only the third time that President Obama has spoken to the nation live from the Oval Office. (Photo by Jim Lo Scalzo/EPA)





A participant in action during the third edition of the Dutch National Championship “Cycling against the Wind” at the Oosterscheldekering (Eastern Scheldt storm surge barrier) near Neeltje Jans, Netherlands, 06 December 2015. (Photo by Bas Czerwinski/EPA)





Actor Tituss Burgess performs onstage during TrevorLIVE LA 2015 at Hollywood Palladium on December 6, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for Trevor Project)





A Russian police officer holds a puppy, named Dobrynya, before presenting it to French police in the French Embassy in Moscow, Russia, Monday, December 7, 2015. Russian police puppy Dobrynya will take place of a French service dog Diesel which died in a special operation held in Paris on November 18. (Photo by Pavel Golovkin/AP Photo)





A member of the rescue team carries a young woman to safety through the flood water as they continue to to evacuate homes after Storm Desmond caused flooding on December 7, 2015 in Carlisle, England. Storm Desmond has brought severe disruption to areas of northern England with dozens of flood warnings remaining in place throughout the country. (Photo by Jeff J. Mitchell/Getty Images)





A bust of the Virgin of Sorrows by Jose de Mora, is displayed in the Victoria and Albert museum's new “1600-1815” galleries in London on December 7, 2015. The V&A's seven new gallery areas hold nearly 1,100 objects and will open to the public on 9 December, 2015. (Photo by Leon Neal/AFP Photo)





Victoria's Secret Angel Taylor Hill Reveals Looks From The Victoria's Secret Fashion Show Runway on December 7, 2015 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Victoria's Secret)





Winton Elementary fifth graders Juliana Ragan, from left, Chloe Windsor and Paisley Ganske wait backstage for their turn to perform as the Andrew Sisters during the Pearl Harbor/Veterans assembly at the school on Monday, December 7, 2015, in Coeur d'Alene, Idaho. Dec. 7 is the 74th anniversary of the Japanese bombing of Pearl Harbor. (Photo by Kathy Plonka/The Spokesman-Review via AP Photo)