Britain's Prime Minister Theresa May walks with Japanese Prime Minister Shinzo Abe as he receives a military Guard of Honour at the Foreign and Commonwealth Office ahead of bilateral talks in London, Britain January 10, 2019. (Photo by Dan Kitwood/Pool via Reuters)





In this file picture released by Jamejam Online December 25, 2014, an Iranian made drone is launched during a military drill in Jask port, southern Iran. According to a report by the Royal United Services Institute, or RUSI released Monday, Dec. 17, 2018, the use of armed drones in the Middle East, driven largely by growing sales from China, has grown significantly in the past two years with an increasing number of state and non-state actors using them in regional conflicts. The report found that over the past few years, more and more countries across the Mideast have acquired armed drones, either by importing them or by building them domestically. (Photo by Chavosh Homavandi/AP Photo/Jamejam Online)





A truck sits on the Autobahn A8 after a crash near Bernau, southern Germany, Thursday, January 10, 2019 when southern Germany and Austria were hit by heavy snow fall. (Photo by Josef Reisner/dpa via AP Photo)





President Donald Trump salutes as a U.S. customs and Border Protection helicopter passes as he tours the U.S. border with Mexico at the Rio Grande on the southern border, Thursday, January 10, 2019, in McAllen, Texas. (Photo by Evan Vucci/AP Photo)





In this January 8, 2019 photo, workers replace sections of the border wall, left, with new sections, right, in Tijuana, Mexico. Ready to make his case on prime-time TV, President Donald Trump is stressing humanitarian as well as security concerns at the U.S.-Mexico border as he tries to convince America he must get funding for his long-promised border wall before ending a partial government shutdown that has hundreds of thousands of federal workers facing missed paychecks. (Photo by Gregory Bull/AP Photo)





Residents celebrate in Kinshasa, Congo, Thursday January 10, 2019, after learning that opposition presidential candidate Felix Tshisekedi had been declared the winner of the elections. (Photo by Jerome Delay/AP Photo)





Supporters of Felix Tshisekedi, leader of Congolese main opposition the Union for Democracy and Social Progress (UDPS) react at the party headquarters in Kinshasa, Democratic Republic of Congo, January 10, 2019. (Photo by Olivia Acland/Reuters)





A British protester holds a sign ahead of a meeting between Sinn Fein leaders and European Union Chief Brexit Negotiator Michel Barnier at the E.U. Commission headquarters in Brussels, Belgium, January 9, 2019. (Photo by Francois Lenoir/Reuters)





In this image made from video, woman protesters march with a sign outside the building housing the Saudi consulate in Sydney, Thursday, January 10, 2019. Four women held a topless protest in Sydney on Thursday to support runaway Saudi woman Rahaf Mohammed Alqunun, as Australia began considering her bid to settle in the country as a refugee. (Photo by Australia Broadcast Corporation via AP Photo)





Roman Catholic devotees jostle to kiss and rub with towels the image of the Black Nazarene in a raucous procession to celebrate its feast day Wednesday, January 9, 2019, in Manila, Philippines. Tens of thousands of mostly barefoot Catholics joined the annual procession of a centuries-old statue of Jesus Christ to celebrate the Feast of the Black Nazarene which usually ends before dawn the next day. (Photo by Bullit Marquez/AP Photo)





People look at the Owlet Band pregnancy monitor at the Owlet booth at CES International, Wednesday, January 9, 2019, in Las Vegas. The device can track fetal heart rate, kicks and contractions. (Photo by John Locher/AP Photo)





Pet fitness robots, which move automatically or are controlled with a smartphone, are displayed at the Varlam booth during the 2019 CES in Las Vegas, Nevada, U.S. January 9, 2019. (Photo by Steve Marcus/Reuters)





The Bell Nexus, a vertical take-off and landing (VTOL) aircraft is displayed during the 2019 CES in Las Vegas, Nevada, U.S. January 8, 2019. (Photo by Steve Marcus/Reuters)





Ziv Rozenfeld of Israel poses for a photo in the Nikon Pop Up Studio during the 2019 CES in Las Vegas, Nevada, U.S. January 10, 2019. (Photo by Steve Marcus/Reuters)





An attendee tests the Miku baby sleep and breathing monitor at the Miku booth at CES International, Wednesday, January 9, 2019, in Las Vegas. (Photo by John Locher/AP Photo)





A Woobo talking robot is on display at the Woobo booth at CES International, Wednesday, January 9, 2019, in Las Vegas. (Photo by John Locher/AP Photo)





Passengers board Jordan's first “Air Taxi” a transportation service that allows Jordanians and tourists to quickly see Jordan, in Amman, Jordan, January 4, 2019. (Photo by Muhammad Hamed/Reuters)





In this January 6, 2019 photo, a rider performs a stunt prior to the podium ceremony before the start of the Dakar Rally in Lima, Peru. The 41st edition of Dakar Rally starts in Lima on Jan. 7, after today's symbolic start ceremony. (Photo by Martin Mejia/AP Photo)





Boston Bruins defenseman Zdeno Chara is checked into the Washington Capitals bench by Washington Capitals left wing Alex Ovechkin, left, during the first period of an NHL hockey game Thursday, January 10, 2019, in Boston. (Photo by Elise Amendola/AP Photo)





Chinese people gesture as they pose for photograph near a bull sculpture titled “Five Bulls Gathering Fortune” on display at the Wangfujing shopping district in Beijing, Thursday, January 10, 2019. Uncertainty over the outcome of China-U.S. trade talks is casting a pall over Asian markets as both sides kept quiet about what lies ahead. (Photo by Andy Wong/AP Photo)





Elvis tribute artist Alfred Kaz, also known as “Bollywood Elvis” poses at Central Station ahead of boarding the “Elvis Express” on January 10, 2019 in Sydney, Australia. The Parkes Elvis Festival is held annually over five days, timed to coincide with Elvis Presley's birth date in January. (Photo by Lisa Maree Williams/Getty Images)





Elvis tribute artist Alfred Kaz, also known as “Bollywood Elvis” poses at Central Station ahead of boarding the “Elvis Express” on January 10, 2019 in Sydney, Australia. The Parkes Elvis Festival is held annually over five days, timed to coincide with Elvis Presley's birth date in January. (Photo by Lisa Maree Williams/Getty Images)