The Hybrid Air Vehicles HAV 304 Airlander 10 hybrid airship is seen in the air over a road on its maiden flight from Cardington Airfield near Bedford, north of London, on August 17, 2016. The Hybrid Air Vehicles 92-metre long, 43.5-metre wide Airlander 10, billed as the world's longest aircraft, lifted off for the first time from an airfield north of London. The Airlander 10 has a large helium-filled fabric hull and is propelled by four turbocharged diesel engines. According to the company it can stay airborne for up to five days at a time if manned, and for over 2 weeks unmanned with a cruising speed of just under 150 km per hour and a payload capacity of up to 10,000 kg. (Photo by Justin Tallis/AFP Photo)





A South Korean army's K-55 self-propelled howitzer fires during a military exercise in Yeoncheon near the border with North Korea, South Korea, Thursday, August 18, 2016. South Korea's army says it has conducted its largest-ever artillery drills near the tense border with North Korea. (Photo by Lim Byung-shick/Yonhap via AP Photo)





United States' silver medal winner Nia Ali poses with her 15-months old son Titus after the women's 100-meter hurdles final, during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Wednesday, August 17, 2016. (Photo by Matt Dunham/AP Photo)





Myanmar State Counselor Aung San Suu Kyi reviews honour guards during a welcoming ceremony at the Great Hall of the People in Beijing, China, August 18, 2016. (Photo by Jason Lee/Reuters)





A soldier stands on a Russian-made T-72 tank during the Static Military Civic Exhibition in Managua, Nicaragua August 17, 2016. (Photo by Oswaldo Rivas/Reuters)





A soldier holds a Soviet-era C-2M portable missile launcher during the Static Military Civic Exhibition in Managua, Nicaragua August 17, 2016. (Photo by Oswaldo Rivas/Reuters)





A child sits on an anti aircraft gun during the Static Military Civic Exhibition in Managua, Nicaragua August 17, 2016. (Photo by Oswaldo Rivas/Reuters)





A visitor plays the video game “Beat Buddy” during the Gamescom fair in Cologne, Germany, August 18, 2016. (Photo by Ralph Orlowski/Reuters)





Visitors attend the Gamescom fair in Cologne, Germany August 18, 2016. (Photo by Ralph Orlowski/Reuters)





A cosplayer poses at the computer and video games fair Gamescom in Cologne, Germany, 18 August 2016. The Gamescom gaming convention runs from 17 to 21 August 2016. (Photo by Marius Becker/DPA)





Ukrainian President Petro Poroshenko addresses servicemen of the 16th separate army aviation brigade and relatilves of pilots, who were killed in the fighting in eastern Ukraine, in the city of Brody, Ukraine, August 18, 2016. (Photo by Mykhailo Markiv/Reuters/Ukrainian Presidential Press Service)





Students celebrate their A-level results at King Edward VI High School for Girls in Birmingham, England on August 18, 2016. The proportion of top grades achieved by A-level students across the UK has fallen for a fifth year in a row, and girls have caught up with boys in attaining A* grades. (Photo by Joe Giddens/PA Wire)





A Turkish soldiers stands guard in front of the blast scene following a car bomb attack on a police station in the eastern Turkish city of Elazig, on August 18, 2016.
At least three people were killed and another 120 injured on August 18, 2016 in a car bomb attack on a police headquarters in eastern Turkey, a local security source said. The explosion, blamed by Defence Minister Fikri Isik on the outlawed Kurdistan Workers' Party (PKK), happened in the garden of the four-storey building in Elazig. (Photo by Ilyas Akengin/AFP Photo)





Eric Ticana Sik (R) of France and other young foreign sushi chefs make sushi at the World Sushi Cup Japan 2016 in Tokyo on August 18, 2016. Twenty-seven sushi chefs from fourteen countries and two regions took part in the two-day competition in hygienic and technical skill of sushi making organized by Japan's Agriculture, Forestry and Fisheries Ministry. (Photo by Toru Yamanaka/AFP Photo)





A woman points at a statue of a naked Republican presidential candidate Donald Trump, Thursday, August 18, 2016 in New York's Union Square. The statue was removed by New York City Department of Parks & Recreation employees. (Photo by Mary Altaffer/AP Photo)





People photograph a naked statue of U.S. Republican presidential nominee Donald Trump that was left in Union Square Park in New York City, U.S. August 18, 2016. (Photo by Brendan McDermid/Reuters)





Mike Pissos, 18, lingers after Democratic U.S. Presidential nominee Hillary Clinton held a rally at John Marshall High School in Cleveland, Ohio August 17, 2016. (Photo by Mark Makela/Reuters)





Syrian Kurdish civilians board vehicle as they flee reported shelling in the northeastern governorate of Hasakah, toward the city of Qameshli, on August 18, 2016. Syrian government aircraft bombed Kurdish positions in the divided northeastern city of Hasakeh, the first such strikes against a Kurdish-held area of Syria, the Syrian Observatory for Human Rights said. (Photo by Delil Souleiman/AFP Photo)





A Cambodian Buddhist follower prays during a Buddhist ceremony before searching for missing Buddha statues in the Tonle Sap river at the Kean Kleang village in Kampong Chhnang province, northwest of Phnom Penh, Cambodia, Thursday, August 18, 2016. Some five hundred Cambodians lead by several Buddhist monks on Thursday held a rare ceremony to appease the spirits of water and land to help them recover missing Buddha statues that had disappeared from their community and are believed to be hidden under the Tonle Sap River over 500 years ago. (Photo by Heng Sinith/AP Photo)





Leslie Andermann Gallagher surveys the flood damage to her home on August 17, 2016 in Sorrento, Louisiana. Last week Louisiana was overwhelmed with flood water causing at least twelve deaths and thousands of homes damaged by the flood waters. (Photo by Joe Raedle/Getty Images)





Locals look on as members of the community march through the streets of Westbury to protest against the lack of policing in their community after recent drug related shootings, Johannesburg, South Africa, 18 August 2016. The under privileged area of Westbury has a major drug usage issue with warring drug dealers reportedly responsible for many of the shootings in the area. Two people were shot yesterday and one during the march itself at another location. (Photo by Kim Ludbrook/EPA)





Spain's acting Prime Minister Mariano Rajoy, left, walks down the stairs after a meeting with Ciudadanos party leader Albert Rivera at the Spanish parliament in Madrid, Spain, Thursday, August 18, 2016 . (Photo by Daniel Ochoa de Olza/AP Photo)





A Russian soldier places small coffins containing the remains of Soviet soldiers from the second world war, at the military cemetary in Lebus, Germany, 18 August 2016. The 35 red army soldiers died in the heavy fighting in the Oderbruch area in early 1945. The remains were recovered by the German War Graves Commission last year, and can now finally be laid to rest, more than 70 years after the war's end. (Photo by Patrick Pleul/EPA)





A person in a duck costume hails a taxi in front of the Trump Tower as part of a political stunt to draw attention to Republican presidential candidate Donald Trump's decision to not release his tax returns in New York, New York, USA, 18 August 2016. Most candidates running for president of the United States in the last thirty years have released their tax returns. (Photo by Justin Lane/EPA)





In this handout image provided by British Airways, Orlando Bloom is pictured in Tokyo to celebrate the launch of the new 787-9 aircraft to Narita, Tokyo on August 19, 2016 at Tokyo, Japan. (Photo by British Airways via Getty Images)





Left to right) Yeong-min Lee and Jeong-Seok Mun, two of the chaplinesque magicians from The Tricksters explore the inside of a perspective room at Edinburgh's Camera Obscura and World of Illusions during the Edinburgh Festival on Thursday August 18, 2016. The Tricksters, from South Korea, are performing in the show SNAP in their Edinburgh Festival debut. Photo credit should read: (Photo by Jane Barlow/PA Wire)