In this Thursday, December 24, 2015 photo, Tenzing, one of two male red pandas, eats bamboo given as a Christmas gift at Lincoln Children's Zoo in Lincoln, Neb. (Photo by Gwyneth Roberts/The Journal-Star via AP Photo)





Refugees and migrants calls the attention of a rescue team when approaching the Greek island of Lesbos on a dinghy, after crossing a part of the Aegean sea from Turkey, on Friday, December 25, 2015. The International Organization for Migrants said more than 1 million people have entered Europe earlier this week. Almost all came by sea, while 3,692 drowned in the attempt. (Photo by Santi Palacios/AP Photo)





Tourists wearing Santa hats and Australian flag-inspired bikinis take a selfie in the surf as they celebrate Christmas Day on Sydney's Bondi Beach, December 25, 2015. (Photo by Jason Reed/Reuters)





An ambulance is seen as people spray artificial snow during Christmas eve celebrations in Hengyang, Hunan province, December 24, 2015. (Photo by Reuters/China Daily)





A Cuban migrant with a Cuban flag tattoo on his arm and a Santa Claus hat poses for a picture at a temporary shelter in the town of La Cruz, near the border between Costa Rica and Nicaragua, December 24, 2015. (Photo by Oswaldo Rivas/Reuters)





People dressed as Santa Claus perform next to a wax statue of Taylor Swift during a Madame Tussauds' unveiling ceremony on Christmas eve in Wuhan, Hubei province, China, December 24, 2015. (Photo by Darley Shen/Reuters)





A man dressed as Santa Claus attends a Christmas mass at Alexander Nevski cathedral in Sofia, Bulgaria December 25, 2015. (Photo by Stoyan Nenov/Reuters)





Swiss Guards stand before Pope Francis delivered his first “Urbi et Orbi” (to the City and the World) message from the balcony overlooking St. Peter's Square at the Vatican December 25, 2015. (Photo by Alessandro Bianchi/Reuters)





A woman uses a selfie stick to take a picture while workers clean the exterior of the Shanghai World Financial Center skyscraper amid heavy smog at the financial district of Pudong in Shanghai, China, December 25, 2015. (Photo by Aly Song/Reuters)





A member of Iraqi security forces stands guard as Christians attend a mass at a church in Baghdad December 25, 2015. (Photo by Ahmed Saad/Reuters)





People pose next to a 251-feet-long (76-metres) cake during Christmas celebrations at a consumer fair in Chandigarh, India, December 25, 2015. (Photo by Ajay Verma/Reuters)





A Palestinian protester kicks a burning tyre during clashes with Israeli troops, near Israel's Ofer Prison near the West Bank city of Ramallah December 25, 2015. (Photo by Mohamad Torokman/Reuters)





A face of a sculpture of Buddha is seen among a bodhi tree at Wat Mahathat temple in Thailand's ancient capital of Ayutthaya December 25, 2015. (Photo by Jorge Silva/Reuters)





A Palestinian wearing a Santa Claus costume holds a candle during a rally to pay tribute to Palestinians who organizers said were killed recently by Israeli troops, on Christmas day in Gaza City December 25, 2015. (Photo by Suhaib Salem/Reuters)





Women are pictured with a man dressed as Santa Claus at Rossio square in downtown Lisbon, Portugal December 25, 2015. (Photo by Rafael Marchante/Reuters)





New York City Mayor Bill de Blasio (L) and civil rights activist Al Sharpton (2nd L) serve food to children and people while they take part in a event celebrating Christmas at the National Action Network in Harlem, New York December 25, 2015. (Photo by Eduardo Munoz/Reuters)





Evangelical Church of West Africa (ECWA) church members celebrate Christmas day along a street in Kaduna, Nigeria, December 25, 2015. (Photo by Reuters/Stringer)





Evangelical Church of West Africa (ECWA) church members celebrate Christmas day along a street in Kaduna, Nigeria, December 25, 2015. (Photo by Reuters/Stringer)





Evangelical Church of West Africa (ECWA) church members celebrate Christmas day along a street in Kaduna, Nigeria, December 25, 2015. (Photo by Reuters/Stringer)





Turkish President Recep Tayyip Erdogan, right, takes Vezir Cakras by hand while speaking on his mobile phone inside his car stationed over the Bosporus Bridge in Istanbul, Friday, December 25, 2015. Erdogan's office says the Turkish president has talked Cakras out of jumping off a bridge to commit suicide. Television footage on Friday showed Erdogan's motorcade stopping over Istanbul's Bosporus Bridge where a man was apparently contemplating jumping off. An official from Erdogan's office told the Associated Press that Vezir Cakras was depressed because of “family issues”. (Photo by Yasin Bulbul/Presidential Press Service Pool via AP Photo)





Volunteers play with dogs at the Vafa Animal Shelter in Hashtgerd, Alborz Province, Iran, 25 December 2015. According to reports more than 700 dogs are cared for at the Vafa Animal Shelter, established through an endowment in 2004, receiving no Government funding and relying on volunteers, and is the country's only licensed animal refuge. (Photo by Abedin Taherkenareh/EPA)





A participant dressed as a clown jumps into the water at the start of the Nadal Cup swimming event at the Port of Barcelona, Spain, 25 December 2015. The swimming event is held annualy at the port to mark Christmas Day. (Photo by Alejandro Garcia/EPA)





Bangladeshi Christian children light candles as they prepare for a Christmas service in a church in Tejgaon, Dhaka, Bangladesh, 25 December 2015. Less than one percent of the country's population is Christian. (Photo by Abir Abdullah/EPA)





People take part in the annual Exmouth Christmas day swim, at Exmouth beach, in Devon, England, December 25, 2015. (Photo by Ben Birchall/AP Photo)





Tourists watch the Christmas Day sunrise behind Diamond Head from Waikiki Beach in Honolulu, Friday, December 25, 2015. (Photo by J. David Ake/AP Photo)





In this Thursday, December 24, 2015 file photo, Israeli Arab Christians perform at the annual Christmas parade in in the northern Israeli city of Nazareth, Israel, on Christmas Eve. (Photo by Ariel Schalit/AP Photo)