A railroad worker stands by the first train decorated with letters that read “Kosovo is Serbian” written in twenty languages departing from the Belgrade to Mitrovica, Kosovo at Belgrade's railway station, Serbia, Saturday, January 14, 2017. Serbia has launched a railway link to Serb-dominated northern Kosovo despite protests from authorities in Pristina who described the move as a provocation and an aggressive violation of Kosovo's sovereignty. (Photo by Darko Vojinovic/AP Photo)





Train hostesses stand in a train carriage decorated with iconic religious figures as it departs from Belgrade to Mitrovica, Kosovo at Belgrade's railway station, Serbia, Saturday, January 14, 2017. (Photo by Darko Vojinovic/AP Photo)





A train hostess stands in a train carriage decorated with the iconic figures as it departs from Belgrade to Mitrovica, Kosovo at Belgrade's railway station, Serbia, Saturday, January 14, 2017. (Photo by Darko Vojinovic/AP Photo)





A photographer leans out of a window to take pictures of Palestinian President Mahmoud Abbas, right, inside the newly inaugurated Palestinian embassy to the Holy See at the Vatican, Saturday, January 14, 2017. (Photo by Andrew Medichini/AP Photo)





Hunters shoot down seagulls that are attracted by the garbage at the Costa Brava dump, on January 14, 2017 near Beirut' s International Airport Costa Brava was opened in March last year as one of three “temporary” tips intended to provide an interim solution after the closure of the main landfill receiving waste from Beirut The dumps were eventually intended to have waste processing facilities, but that has not happened As a result, garbage has piled up in Costa Brava, on the coastline close to the airport runways, reaching nine metres (30 feet) in some places. (Photo by Anwar Amro/AFP Photo)





People are seen in St.Mark square during snowfall in the Venice lagoon, northern Italy, January 13, 2017. (Photo by Manuel Silvestri/Reuters)





Switzerland's Roger Federer (L) holds a large racket during a promotional event ahead of the Australian Open tennis tournament in Melbourne, Australia, January 14, 2017. (Photo by Edgar Su/Reuters)





Canada's Eugenie Bouchard serves during a training session ahead of the Australian Open tennis tournament in Melbourne, Australia, January 14, 2017. (Photo by Edgar Su/Reuters)





Australia's Daria Gavrilova hits the ball with a large racket during a promotional event ahead of the Australian Open tennis tournament in Melbourne, Australia, January 14, 2017. (Photo by Edgar Su/Reuters)





A man wearing a Superman costume and a man in a dinosaur costume perform during the Children's Day celebration at Government House in Bangkok, Thailand, January 14, 2017. (Photo by Athit Perawongmetha/Reuters)





Thailand's Prime Minister Prayuth Chano-cha (L) attends the Children's Day celebration at Government House in Bangkok, Thailand, January 14, 2017. (Photo by Athit Perawongmetha/Reuters)





Children wearing traditional costume play during the Children's Day celebration at Government House in Bangkok, Thailand, January 14, 2017. (Photo by Athit Perawongmetha/Reuters)





Thailand's Prime Minister Prayuth Chano-cha kicks during the Children's Day celebration at Government House in Bangkok, Thailand, January 14, 2017. (Photo by Athit Perawongmetha/Reuters)





Jayna Zweiman and Krista Suh take part in the Pussyhat social media campaign they created to provide pink hats for protesters in the women's march in Washington, D.C., the day after the presidential inauguration, in Los Angeles, California, U.S., January 13, 2017. (Photo by Lucy Nicholson/Reuters)





A participant works on a Jesus Christ figurine as part of a drug addiction rehabilitation programme in a Catholic church in Quezon city, metro Manila, Philippines January 14, 2017. (Photo by Romeo Ranoco/Reuters)





A man covers his head walks on a hilltop on a snowy day in Kabul, Afghanistan January 14, 2017. (Photo by Mohammad Ismail/Reuters)





U.S. and Polish army soldiers attend an official welcoming ceremony for U.S. troops deployed to Poland as part of NATO build-up in Eastern Europe in Zagan, Poland, January 14, 2017. (Photo by Kacper Pempel/Reuters)





U.S. army soldier reacts after the official welcoming ceremony for U.S. troops deployed to Poland as part of NATO build-up in Eastern Europe in Zagan, Poland, January 14, 2017. (Photo by Kacper Pempel/Reuters)





U.S. army soldiers attend an official welcoming ceremony for U.S. troops deployed to Poland as part of NATO build-up in Eastern Europe in Zagan, Poland, January 14, 2017. (Photo by Kacper Pempel/Reuters)





A woman enjoys a flash mob snowball fight in Kiev, Ukraine January 14, 2017. (Photo by Valentyn Ogirenko/Reuters)





People participate in a Black Lives Matter protest in front of Trump Tower in New York City, U.S. January 14, 2017. (Photo by Stephanie Keith/Reuters)





Kandy Freeman participates in a Black Lives Matter protest in front of Trump Tower in New York City, U.S. January 14, 2017. (Photo by Stephanie Keith/Reuters)





SpaceX Falcon rocket lifts off from Space Launch Complex 4E at Vandenberg Air Force Base, California, U.S., January 14, 2017. The two-stage rocket lifted off to place 10 satellites into orbit for Iridium Communications Inc. About nine minutes later, the first stage returned to Earth and landed successfully on a barge in the Pacific Ocean south of Vandenberg. (Photo by Gene Blevins/Reuters)





SpaceX Falcon rocket lifts off from Space Launch Complex 4E at Vandenberg Air Force Base, California, U.S., January 14, 2017. (Photo by Gene Blevins/Reuters)





A Ringling Bros. and Barnum & Bailey clown takes a selfie with Jennifer and Kevin Fox, of Fort Pierce, Fla., during a pre show for fans Saturday, January 14, 2017, in Orlando, Fla. The Ringling Bros. and Barnum & Bailey Circus will end the “The Greatest Show on Earth” in May, following a 146-year run of performances. Kenneth Feld, the chairman and CEO of Feld Entertainment, which owns the circus, told The Associated Press, declining attendance combined with high operating costs are among the reasons for closing. (Photo by Chris O'Meara/AP Photo)





Ringling Bros. and Barnum & Bailey clowns dance with fans during a pre show for fans Saturday, January 14, 2017, in Orlando, Fla. (Photo by Chris O'Meara/AP Photo)





Ringling Bros. and Barnum & Bailey acrobats ride camels during a performance Saturday, January 14, 2017, in Orlando, Fla. (Photo by Chris O'Meara/AP Photo)





Peugeot's French pilot Romain Dumas and co-pilot Alain Guehennec compete during Stage 11 of the 2017 Dakar Rally between San Juan and Rio Cuarto, in Argentina, on January 13, 2017. (Photo by Franck Fife/AFP Photo)





People in costume celebrate in the frozen lake Orankesee during a so called “Ice Carnival” event from winter swimming clubs in Berlin, January 14, 2017. (Photo by Markus Schreiber/AP Photo)





People take pictures of humanoid robot Jia Jia, created by a team of engineers from the University of Science and Technology of China, following a presentation at a conference in Shanghai on January 9, 2017. “Jia Jia” can hold a simple conversation and make specific facial expressions when asked, and her creator believes the eerily life- like robot heralds a future of cyborg labour in China. Billed as China' s first human- like robot, Jia Jia was first trotted out last year by a team of engineers at the University of Science and Technology of China. (Photo by Johannes Eisele/AFP Photo)