Russian President Vladimir Putin and Chinese President Xi Jinping toast during a visit to the Far East Street exhibition on the sidelines of the Eastern Economic Forum in Vladivostok, Russia on September 11, 2018. (Photo by Sergei Bobylev/TASS Host Photo Agency/Pool via Reuters)





U.S. President Donald Trump gestures after arriving with first lady Melania Trump at John Murtha Johnstown-Cambria County Airport in Johnstown, Pennsylvania, U.S., prior to to taking part in the 17th annual September 11 observance at the Flight 93 National Memorial September 11, 2018. (Photo by Kevin Lamarque/Reuters)





Britain's former Foreign Secretary Boris Johnson jogs near his home in Oxfordshire, September 11, 2018. (Photo by Simon Dawson/Reuters)





Bianca Burton, center left, and Erin Schultheis walk around the Pepperdine University's annual display of flags honoring the victims of the 9/11 terrorist attacks, Monday, September 10, 2018, in Malibu, Calif. Terrorists used hijacked planes to crash Sept. 11, 2001, into the World Trade Centers, the Pentagon and a field in Pennsylvania. Nearly 3,000 people were killed in the attacks. (Photo by Jae C. Hong/AP Photo)





An anti-aircraft gun and missile system “Tunguska” shoots on a shooting range during the military exercise “Preparation and use of troops in the interests of repelling aggression against the Republic of Belarus”, near the city of Borisov, Belarus on September 11, 2018. (Photo by Vasily Fedosenko/Reuters)





A South Korean K2 tank fires during a live fire demonstration for a media preview of the Defense Expo Korea 2018 at Seungjin Fire Training Field in Pocheon, 65 kms northeast of Seoul, on September 11, 2018. The defence exhibition specialising in land forces equipment will run from September 12 to 16 with 250 companies from 30 countries involved. (Photo by Jung Yeon-je/AFP Photo)





An aerial photo shows a boat carrying migrants stranded in the Strait of Gibraltar before being rescued by the Spanish Guardia Civil and the Salvamento Maritimo sea search and rescue agency that saw 157 migrants rescued on September 8, 2018. While the overall number of migrants reaching Europe by sea is down from a peak in 2015, Spain has seen a steady increase in arrivals this year and has overtaken Italy as the preferred destination for people desperate to reach the continent. Over 33,000 migrants have arrived in Spain by sea and land so far this year, and 329 have died in the attempt, according to the International Organization for Migration. (Photo by Marcos Moreno/AFP Photo)





Supporters react at the Social Democratic Party' s election party in Stockholm, on September 9, 2018. - Sweden' s Social Democrats are tipped to be the country' s biggest party after Sunday' s election on September 9, 2018, with the far- right Sweden Democrats trailing in third place, a TV4 exit poll predicted shortly before polling stations closed. (Photo by Claudio Bresciani/AFP Photo/TT News Agency)





Women in traditional Korean dress take part in an international parade for the reunification of Korea at Tongil Street in Pyongyang, Democratic People' s Republic of Korea on September 11, 2018. 500 Pyongyang residents and 150 members of international organisations took part in the event in support of Korean unification, as the country celebrates the 70 th anniversary of the foundation of the DPRK. (Photo by Alexander Demianchuk Demianchuk/TASS)





Nina Weratschnig of Austria competes during the first round of heats during the 2018 ICF Canoe Slalom World Cup Final on September 7, 2018 in La Seu d'Urgell, Spain. (Photo by David Ramos/Getty Images)





Demonstrators march during a Pro-independencce demonstration on September 10, 2018 in Girona, Spain. The Spanish northeastern autonomous region celebrates its National Day on September 11, ahead of the 1st anniversary of the secession referendum held last October 1, which was approved by the Catalan Government and banned by the Spanish government. (Photo by David Ramos/Getty Images)





A fan waits next to cows grazing near the Lakes of Covadonga during the 15 th stage of the 73 rd edition of “La Vuelta” Tour of Spain cycling race, a 178.2 km route from Ribera de Arriba to Lakes of Covadonga near Cangas de Onis on September 9, 2018. (Photo by Miguel Riopa/AFP Photo)





Swimmers compete at FINA World Junior Open Water Swimming Championships in Eilat, Israel, Friday September 7, 2018. (Photo by Gilad Kavalerchik/AP Photo)





A girl during celebrations marking Moscow' s 871 st birthday in Tverskaya Street in Moscow, Russia on September 9, 2018. (Photo by Sergei Petrov/TASS)





A woman dressed as a tree with the group The Forgotten Solution, poses for a picture at Civic Center Plaza after marching at the “Rise For Climate” global action on September 8, 2018 in downtown San Francisco, California. “Rise For Climate” is a global day of action demanding real climate solutions from local leaders. (Photo by Amy Osborne/AFP Photo)





A Saudi man with his body covered with bees poses for a picture in Tabuk, Saudi Arabia on September 11, 2018. (Photo by Mohamed Al Hwaity/Reuters)





An Indian artist gives final touches to an eco- friendly figure of the Hindu deity Ganesh at a workshop in Hyderabad on September 11, 2018, ahead of the upcoming Ganesh Chaturthi celebrations on September 13. The eco- friendly Ganesh idols are made with mud, jute fiber and bamboo, and are aimed at reducing pollution during the Ganesh immersion rituals. (Photo by Noah Seelam/AFP Photo)





People fly kites on a beach while others sunbathe during the 20 th edition of the International Dieppe Kite Festival on September 9, 2018 in Dieppe, northwestern France. The event, held until September 16, gathers thousand of people from 34 different countries. (Photo by Charly Triballeau/AFP Photo)





A visitor interacts with a 3D painting at the Art in Paradise museum in Bangkok, Thailand, 10 September 2018. Set up in two floors and comprising six permanent zones, Art in Paradise Bangkok is the first 3D and “Illusion” museum in Thailand's capital, featuring 150 paintings for visitors to experience a unique form of art appreciation by interacting with the art pieces. In contrast to most museums, Art In Paradise not only allows photographing the museum's paintings, but it actually encourages visitors to do so. And in order to protect the paintings which cover the floors, walls and ceilings, guests must remove their shoes. It took 15 Korean and Thai artists two and a half months to complete the paintings. (Photo by Diego Azubel/EPA/EFE)





People gather on a hill near the Chopin Airport to watch aeroplanes taking off, in Warsaw, Poland, Sunday, September 9, 2018. (Photo by Alik Keplicz/AP Photo)





Actor Tika Sumpter arrives for the international premiere of The Old Man & the Gun at the Toronto International Film Festival (TIFF) in Toronto, Canada, September 10, 2018. (Photo by Mark Blinch/Reuters)