President Donald Trump's former National Security Advisor Michael Flynn, his attorney Robert Kelner and his wife Lori Andrade arrive at federal court in Washington, Tuesday, December 18, 2018. (Photo by Carolyn Kaster/AP Photo)





Russian President Vladimir Putin (2nd R, back) attends a military exhibition before a meeting of the Defence Ministry Board in Moscow, Russia December 18, 2018. (Photo by Mikhail Klimentyev/Sputnik/Kremlin via Reuters)





A mother holds her daughter who was injured in an airstrike in Kunar province, as she receives medical treatment at a hospital in Jalalabad, Afghanistan, 16 December 2018. According to reports, at least 20 Afghan civilians, including 12 children, were killed in an airstrike targeting a Taliban commander in the eastern province of Kunar. (Photo by Ghulamullah Habibi/EPA/EFE)





Turkish-backed Syrian fighters train in a camp in the Aleppo countryside, northern Syria, on December 16, 2018. Turkish President Recep Tayyip Erdogan and his US counterpart Donald Trump agreed Friday to “more effective coordination” between their countries' operations in Syria, after Ankara threatened to launch a new offensive in the war-torn nation. (Photo by Aref Tammawi/AFP Photo)





Vivienne Westwood & 3 Wise Men In Legal Bid Against Government To Put A Stop To Illegal Fracking at Royal Courts of Justice, Strand on December 18, 2018 in London, England. (Photo by Jonathan Brady/PA Wire Press Association)





Macedonian s*x workers carrying red umbrellas stay around the monument of Mother Thereza, before a rally to mark the International Day to End Violence Against s*x Workers in Skopje, The Former Yugoslav Republic of Yugoslavia, 17 December 2018. (Photo by Georgi Licovski/AFP Photo)





Paratroopers from the Qatari armed forces take part in Qatar's National Day celebrations in Doha, Qatar, December 18, 2018. (Photo by Ibraheem al Omari/Reuters)





In this undated photo provided by Ryan Gines, Meghan Panu poses in front of her house in St. Louis. It shouldn't be hard to spot the property stolen from St. Louis resident Panu. She's looking for the 12-foot-tall home that was stolen sometime Saturday, December 15, 2018. The St. Louis Post-Dispatch reports Panu spent the past two years and about $20,000 working on the 20-foot cedar home. Panu, a recent graduate of Webster University, planned to finish the interior and move in this spring. (Photo by Courtesy of Ryan Gines via AP Photo)





Elon Musk, co-founder and chief executive officer of Tesla Inc., speaks during an unveiling event for the Boring Co. Hawthorne test tunnel in Hawthorne, Calif., on Tuesday, December 18, 2018. Musk has unveiled his underground transportation tunnel, allowing invited guests to take some of the first rides ever on the tech entrepreneur's solution to “soul-destroying traffic”. (Photo by Robyn Beck/Pool Photo via AP Photo)





This undated image provided by The Kroger Co. shows an autonomous vehicle called the R1. Nuro and grocery chain Kroger are teaming up to bring unmanned delivery service to customers. The companies said Tuesday, December 18, 2018, that Nuro's unmanned vehicle, the R1, will be added to a fleet of autonomous Prius vehicles that have run self-driving grocery delivery service in Scottsdale, Ariz., with vehicle operators since August. (Photo by Andrew Brown/The Kroger Co. via AP Photo)





A man selling bags of water is seen at a taxi parking bay lined with campaign posters in the district of Lingwala in Kinshasa on December 18, 2018. Democratic Republic of Congo goes to the polls on December 23, 2018 in elections which could see the country emerge from 17 years of conflict-ridden rule under controversial President Joseph Kabila. (Photo by John Wessels/AFP Photo)





A resident is seen after a fire at Educandos neighbourhood, on a branch of the Rio Negro, a tributary to the Amazon river, in the city of Manaus, Brazil December 18, 2018. (Photo by Bruno Kelly/Reuters)





Detroit Red Wings' Christoffer Ehn, left, and Philadelphia Flyers' Dale Weise fly into the bench after a collision during the third period of an NHL hockey game, Tuesday, December 18, 2018, in Philadelphia. Philadelphia won 3-2. (Photo by Matt Slocum/AP Photo)





Austria's Marcel Hirsher in action during the Men's Parallel Giant Slalom at the Alpine Skiing World Cup in Val Gardena – Groeden, Italian Alps on December 17, 2018. (Photo by Stefano Rellandini/Reuters)





A couple dances under the light of a lamppost at Comercio square in Lisbon, Portugal on December 17, 2018. (Photo by Patrícia de Melo Moreira/AFP Photo)





A diver wearing a Santa Claus costume swims in a large fish tank during an underwater performance at Sunshine Aquarium in Tokyo, Japan, December 18, 2018. (Photo by Issei Kato/Reuters)





Artist perform during a presentation of “Mas cerca de las Estrellas” (or Closer to the Stars), a holiday show performed by Italian art troupe Studio Festi, as part of Christmas celebrations at Bolivar square in Bogota, Colombia, 17 December 2018. (Photo by Mauricio Duenas Castaneda/EPA/EFE)