People walk on Nikolskaya Street, decorated for New Year and Christmas celebrations in Moscow, Russia, Wednesday, Dec. 20, 2017. (AP Photo/Pavel Golovkin)

Orphans interact with a Bengal tiger during a Christmas visit to the Malabon Zoo Thursday, Dec. 21, 2017, in Malabon city, north of Manila, Philippines. Malabon Zoo founder Manny Tangco hosted the “Merry Animal Christmas” for some 200 orphans inside the compound. (AP Photo/Bullit Marquez)

A band keeps warm by the fire during a live Nativity scene for the Christmas season, in the Bosnian capital of Sarajevo, Monday, Dec. 18, 2017. The city still keeps the tradition of celebrating holidays of all four religions present in Bosnia – Catholicism, Orthodoxy, Islam and Judaism – despite the 1992-95 war fought between Bosnian Serbs, Croats and Bosnian Muslims.(AP Photo/Amel Emric)

An ultra-Orthodox Jewish man lights candles during the Jewish holiday of Hanukkah in Jerusalem’s Mea Shearim neighborhood in Jerusalem, Tuesday, Dec. 19, 2017. The Jewish festival of light is an eight-day commemoration of the Jewish uprising in the second century B.C. against the Greek-Assyrian kingdom, which had tried to put statues of Greek gods in the Jewish Temple in Jerusalem. (AP Photo/Ariel Schalit)

Indian workers prepare tents for Hindu devotees at Sangam, the confluence of the rivers Ganges, Yamuna, and the mythical Saraswati, ahead of the annual month-long Hindu religious fair ‘Magh Mela’ in Allahabad, India, Thursday, Dec. 21, 2017. Hundreds of thousands of Hindus are expected to take holy dips at the Sangam during the astronomically auspicious period that begins early next month. (AP Photo/Rajesh Kumar Singh)

A Nepalese woman walks a bridge with her son to perform rituals in the fog during the Gaya Aunsi festival in Kathmandu, Nepal, Monday, Dec. 18, 2017. People offer prayers and pay tribute to deceased family members and believe that they will help departed souls to find the way to heaven. (AP Photo/Niranjan Shrestha)

A Jerusalem Old City street decorated for Christmas, Thursday, Dec. 21, 2017. (AP Photo/Oded Balilty)

People are silhouetted against a pedestrian dock decorated with an illuminated Christmas ornament in the southern coastal city of Larnaca on the eastern Mediterranean island of Cyprus, Sunday, Dec. 17, 2017. (AP Photo/Petros Karadjias)

A girl rests her head during a Christmas show for children of Romanian military families, in Bucharest, Romania, Thursday, Dec. 21, 2017. Romania’s defense ministry presented the show for dozens of Romanian children whose fathers were killed or injured serving in international peacekeeping missions. (AP Photo/Vadim Ghirda)

A woman comforts a girl as they attend the opening of a memorial site in Berlin, Germany, Tuesday, Dec. 19, 2017 to honor the victims of the Christmas market terrorist attack at Breitscheid Square one year ago. (AP Photo/Michael Sohn)

A person wearing a Santa Claus outfit gets out of an airplane during a Christmas event on the Henri Coanda airport, outside Bucharest, Romania, Tuesday, Dec. 19, 2017. (AP Photo/Vadim Ghirda)

Pope Francis looks at a baby Jesus statue as he arrives for his weekly general audience in the Paul VI Hall at the Vatican, Wednesday, Dec. 20, 2017. (AP Photo/Alessandra Tarantino)

Nursing staff of Paolo memorial hospital hold newborns in Santa and Christmas tree outfits to mark the holiday season in Bangkok, Thailand, Thursday, Dec. 21, 2017.(AP Photo/Gemunu Amarasinghe)

A Swiss guard is framed by Christmas tree lights as Pope Francis holds his weekly general audience in the Paul VI Hall at the Vatican, Wednesday, Dec. 20, 2017. (AP Photo/Alessandra Tarantino)

The Elysee Palace is reflected in a decoration of the Christmas tree during the press conference of French President Emmanuel Macron and Jordan’s King Abdullah II, at the Elysee Palace, in Paris, Tuesday, Dec. 19, 2017. (AP Photo/Francois Mori)