U.S. President Donald Trump answers questions while sitting in front of paintings of former U.S. presidents George Washington and Thomas Jefferson during his meeting with Romania's President Klaus Iohannis in the Oval Office of the White House in Washington, U.S. August 20, 2019. (Photo by Kevin Lamarque/Reuters)





Russian President Vladimir Putin speaks during a news conference after his meeting with President of the Republic of Finland Sauli Niinisto at the President's official residence Mantyniemi in Helsinki, Finland, Wednesday, August 21, 2019. Putin has warned opposition protesters that they must abide by the law or face the consequences. (Photo by Alexander Zemlianichenko/AP Photo/Pool)





A Turkish military vehicle is pictured near the town of Maar Hitat in Syria's northern Idlib province on August 20, 2019. Jihadists and allied rebels withdrew from a key area of northwestern Syria today, a monitor said, as President Bashar al-Assad's forces pressed an offensive against the jihadist-run Idlib region. Turkey warned Damascus “not to play with fire” a day after a Syrian regime air strike sought to deter a new Turkish military convoy from entering the area. (Photo by Omar Haj Kadour/AFP Photo)





Demonstrators stand during a protest at the Yuen Long MTR station, where demonstrators and others were violently attacked by men in white T-shirts following an earlier protest in July, in Hong Kong, Wednesday, August 21, 2019. Japan's top diplomat on Tuesday told his Chinese counterpart that Japan is “deeply concerned” about the continuing protests in Hong Kong. (Photo by Kin Cheung/AP Photo)





Protesters stop the door of a Mass Transit Railway train at Yuen Long MTR station, the scene of an attack by suspected triad gang members a month ago, in Yuen Long, New Territories, Hong Kong, China on August 21, 2019. (Photo by Ann Wang/Reuters)





Pope Francis allows a little girl suffering from an undisclosed illness to move around undisturbed clapping and dancing on the stage for most of his general audience in Paul VI Hall at the Vatican, August 21, 2019. (Photo by Remo Casilli/Reuters)





In this photo taken on Thursday, August 22, 2019, and distributed by Roscosmos Space Agency Press Service, the Russian Progress 73 cargo ship blasts off from the launch pad at Russia's space facility in Baikonur, Kazakhstan. The new Russian rocket, that is expected to replace the current model sending manned missions into space, blasted off from Kazakhstan on Thursday, carrying a Soyuz capsule with a humanoid robot. (Photo by Roscosmos Space Agency Press Service via AP Photo)





In this photo taken on Tuesday, August 20, 2019 a man cries as he hugs a crew member after disembarking from the Open Arms rescue ship on the Sicilian island of Lampedusa, southern Italy. An Italian prosecutor ordered the seizure of a rescue ship and the immediate evacuation of more than 80 migrants still aboard, capping a drama Tuesday that saw 15 people jump overboard in a desperate bid to escape deteriorating conditions on the vessel and Spain dispatch a naval ship to try to resolve the crisis. (Photo by Salvatore Cavalli/AP Photo)





This undated handout photo obtained August 21, 2019 courtesy of the American Museum of History shows a fossil skull of Chilecebus carrascoenis, a 20-million-year-old primate from the Andes mountains. The remains of a prehistoric primate that lived high in the Andes mountains 20 million years ago and was so small it could fit in your hand is helping scientists learn more about how human brains evolved. In a study published August 21, 2019, in the journal Science Advances, researchers in China and the US used high resolution imaging to examine the only known fossilized skull the extinct Chilecebus, a New World monkey that scampered around ancient forests, feeding on leaves and fruit. (Photo by AFP Photo/HO)





Couples dance during a show prior to the finals of the Salon category at the annual Tango Dance World Championship in Buenos Aires, Argentina, Tuesday, August 20, 2019. (Photo by Natacha Pisarenko/AP Photo)





People relax in a water spring near Banja Luka, Bosnia, Tuesday, August 20, 2019. Weather forecasters predict hot weather across the country over the next few days. (Photo by Radivoje Pavicic/AP Photo)





Cosplayers line up during the media day of Europe's leading digital games fair Gamescom, which showcases the latest trends of the computer gaming scene in Cologne, Germany on August 20, 2019. (Photo by Wolfgang Rattay/Reuters)





A blind-folded gamer collects as many as possible foam cubicles as he hangs from the ceiling at the first day of Europe's leading digital games fair Gamescom, which showcases the latest trends of the computer gaming scene in Cologne, Germany on August 21, 2019. (Photo by Wolfgang Rattay/Reuters)