A fairgoer places a vote for republican presidential hopeful Ben Carson during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa. Presidential candidates are addressing attendees at the Iowa State Fair on the Des Moines Register Presidential Soapbox stage. The State Fair runs through August 23. (Photo by Justin Sullivan/AFP Photo)

Supporters of Sri Lanka's ruling United National Party run with a giant kite displaying the party colors and symbol ahead of Parliamentary Election in Gampaha, east of Colombo, Sri Lanka, Friday, August 14, 2015. Sri Lanka's Parliamentary Election is scheduled to be held on August 17, 2015. (Photo by Gemunu Amarasinghe/AP Photo)

Firefighters look at advancing flames from the Jerusalem Fire in Lake County, California, August 13, 2015. Firefighters kept battling blazes across drought-parched California on Thursday, and thousands of them made solid progress against a wildfire that has forced 150 people to evacuate homes outside of San Francisco. Firefighters had drawn containment lines around about 33 percent of the so-called Jerusalem Fire, which grew overnight to cover 23,500 acres (9,510 hectares) by Thursday morning, according to the California Department of Forestry and Fire Protection (Cal Fire). (Photo by Robert Galbraith/Reuters)

A firefighter walks past flames from the Jerusalem Fire in Lake County, California August 13, 2015. (Photo by Robert Galbraith/Reuters)

A woman checks lipstick applied on her lip, inside of a cosmetics shop in Sao Paulo, Brazil August 13, 2015. From cigarettes to lipstick to sandals, exports have emerged as a silver lining for Brazilian consumer goods companies that are suffering the worst domestic slump in over a decade. With Brazil's currency, the real, at a 12-year low, foreign sales have kept several companies in the black, helping them outperform rivals focused on the local market, according to a Reuters analysis of second-quarter earnings. (Photo by Nacho Doce/Reuters)

An employee of the company based at the site of huge explosion at the port in Tianjin, China, shows a picture of her missing colleague to officials at the hospital who are assisting friends and families of injured August 14, 2015. The blasts in the city of Tianjin on Wednesday night killed at least 50 people, including a dozen fire fighters, state media said. About 700 people were injured, 71 seriously. (Photo by Damir Sagolj/Reuters)

Rescue workers search for survivors at the site of a landslide which hit a mining factory on Wednesday in Shanyang county, Shaanxi province, China, August 13, 2015. A total of 65 people remained missing after a landslide buried over 15 dormitories and three houses which belong to a mining company in northwest China's Shaanxi Province, local authorities confirmed on Thursday, Xinhua News Agency reported. (Photo by Reuters/China Daily)

A man kowtows as he prays at Chaoyin Temple, Tianjin, China, August 14, 2015. (Photo by Jason Lee/Reuters)

A man prays at Chaoyin Temple, Tianjin, China, August 14, 2015. (Photo by Jason Lee/Reuters)

A woman prays at Chaoyin Temple, Tianjin, China, August 14, 2015. (Photo by Jason Lee/Reuters)

A woman stands outside at a foreign exchange store in Shanghai, China, August 14, 2015. The yuan held steady against the dollar on Friday after suspected intervention by the central bank, who said on Thursday there was no reason for it to fall further. (Photo by Aly Song/Reuters)

Tibetan Buddhists and tourists view a huge Thangka, a religious silk embroidery or painting displaying a Buddha portrait, during the Shoton Festival at Drepung Monastery in Lhasa, Tibet Autonomous Region, China, August 14, 2015. (Photo by Reuters/China Daily)

Tibetan Buddhists and tourists view a huge Thangka, a religious silk embroidery or painting displaying a Buddha portrait, during the Shoton Festival at Drepung Monastery in Lhasa, Tibet Autonomous Region, China, August 14, 2015. (Photo by Reuters/China Daily)

Indonesia's Lindaweni Fanetri reacts after her win against Taiwan's Tai Tzu Ying in their quarter-final women's singles badminton match at the BWF World Championship in Jakarta, Indonesia August 14, 2015. (Photo by Darren Whiteside/Reuters)

A German federal police officer practices a bomb defusion during a security drill at Schoenefeld airport near Berlin, Germany August 12, 2015. (Photo by Stefanie Loos/Reuters)

An armored car of the German Federal Police is seen during a security drill at Schoenefeld airport near Berlin, Germany August 12, 2015. (Photo by Stefanie Loos/Reuters)

Two German federal police officers patrol during a security drill at Schoenefeld airport near Berlin, Germany August 12, 2015. (Photo by Stefanie Loos/Reuters)

People walk around the rocks in the natural reserve area of Wadi Al-Hitan, or the Valley of the Whales, at the desert of Al Fayoum Governorate, southwest of Cairo, Egypt, August 12, 2015. Wadi Al-Hitan holds an impressive collection of fossils and bones, some of which date back over 40 million years. The entire site resembles an open-air museum with marked trails and itineraries that visitors can follow to admire the fossils and rock formations that extend over a vast area. (Photo by Amr Abdallah Dalsh/Reuters)

Whale fossils lay on the rocks in the natural reserve area of Wadi Al-Hitan, or the Valley of the Whales, at the desert of Al Fayoum Governorate, southwest of Cairo, Egypt, August 12, 2015. (Photo by Amr Abdallah Dalsh/Reuters)

Sri Lanka's Jehan Mubarak (L) and India's Rohit Sharma watch as a monkey runs past them middle of the ground during the third day of their first test cricket match in Galle August 14, 2015. (Photo by Dinuka Liyanawatte/Reuters)

Students hold national flags during a ceremony to celebrate the country's 69th Independence Day at the mausoleum of Muhammad Ali Jinnah in Karachi, Pakistan, August 14, 2015. Jinnah is generally regarded as the founder of Pakistan. (Photo by Akhtar Soomro/Reuters)

Ishrat ul Ebad, Governor Sindh province (C) walks with Pakistan Naval officers to lay a wreath during a ceremony to celebrate the country's 69th Independence Day at the mausoleum of Muhammad Ali Jinnah in Karachi, Pakistan, August 14, 2015. (Photo by Akhtar Soomro/Reuters)

A woman waves Pakistan's national flag during a ceremony to mark the country's 69th Independence Day at the Wagah border near Lahore, Pakistan August 14, 2015. (Photo by Mohsin Raza/Reuters)

People watch Japan's Prime Minister Shinzo Abe on a screen as he gives a statement in Tokyo August 14, 2015. Prime Minister Shinzo Abe, in a statement marking the 70th anniversary of World War Two's end, acknowledged Japan had inflicted “immeasurable damage and suffering” on innocent people but said generations not involved in the conflict should not be burdened with continued apologies. (Photo by Thomas Peter/Reuters)

An employee works on a turret as armored vehicles are repaired at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

An employee stands near turrets as armored vehicles are repaired at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

Armored vehicles are repaired at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

Employees work on turrets as armored vehicles are repaired at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

An employee repairs an armored vehicle at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

An employee repairs an armored personnel carrier at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

An employee works on a tank turret as armored vehicles are repaired at the Kiev armored plant, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

An employee of the Kiev armored plant sits inside a new Ukrainian armored personnel carrier BTR-3E1U during a test outside Kiev, Ukraine, August 14, 2015. (Photo by Valentyn Ogirenko/Reuters)

Cuban residents living next to the U.S. embassy look out of their window decorated with the Cuban and U.S. flags in Havana, Cuba, August 14, 2015. U.S. Secretary of State John Kerry travels to Cuba on Friday to raise the U.S. flag at the recently restored American embassy in Havana, another symbolic step in the thawing of relations between the two Cold War-era foes. (Photo by Enrique De La Osa/Reuters)

Two Syrian refugees sit at the dock of the port of Kos as the passenger ship “Eleftherios Venizelos” backs into the quay on the Greek island of Kos, August 14, 2015. The vessel will house more than 2500 migrants who arrived in the country from the Turkish coast and will be used as a registration center for migrants. The United Nations refugee agency (UNHCR) called on Greece to take control of the “total chaos” on Mediterranean islands, where thousands of migrants have landed. About 124,000 have arrived this year by sea, many via Turkey, according to Vincent Cochetel, UNHCR director for Europe. (Photo by Alkis Konstantinidis/Reuters)

Visitors look at sharks swimming in a giant aquarium in Hagenbecks Zoo in Hamburg, northern Germany August 14, 2015. (Photo by Fabian Bimmer/Reuters)

A supporter of Sri Lanka's Prime Minister Ranil Wickramasinghe wearing a bear costume holds up political placards during a United National party election campaign rally in Galle August 14, 2015. Sri Lanka's general election will be held on 17th August. (Photo by Dinuka Liyanawatte/Reuters)

A tourist couple gets entangled in balloons during a United National People's party election campaign rally in Galle August 14, 2015. (Photo by Dinuka Liyanawatte/Reuters)

A vendor selling dates on a pick-up truck shouts to attracts customers during the annual dates festival in Berida of the Saudi central province of Qassim August 14, 2015. (Photo by Faisal Al Nasser/Reuters)

A grouse sits on Turkish President Tayyip Erdogan's head as he visits a facility of the Forest and Water Management Ministry in Rize, Turkey, August 14, 2015. Turkey's nationalist opposition made clear on Friday it would not roll over and back a minority government, making Erdogan's aim of taking the country to a snap election with the ruling party in control look increasingly difficult. Talks on forming a grand coalition between the AK Party and the main opposition CHP broke down on Thursday, making an autumn election almost inevitable and leaving the ruling party having to turn to the nationalist MHP for support. (Photo by Reuters/Stringer)

Honda Moto3 rider Andrea Locatelli crashes during the second free practice of the Czech Grand Prix in Brno, Czech Republic, August 14, 2015. (Photo by David W. Cerny/Reuters)

A German shepherd dog attacks a trainer during an annual cynologist competition for members of the regional penitentiary camps system outside the Siberian city of Krasnoyarsk, Russia, August 14, 2015. Teams representing all prison camps of the Krasnoyarsk region took part in a five-day-long competition. (Photo by Ilya Naymushin/Reuters)

A German shepherd dog attacks a trainer during an annual cynologist competition for members of the regional penitentiary camps system outside the Siberian city of Krasnoyarsk, Russia, August 14, 2015. (Photo by Ilya Naymushin/Reuters)

An officer (R) holds a German shepherd dog attacking a trainer during an annual cynologist competition for members of the regional penitentiary camps system outside the Siberian city of Krasnoyarsk, Russia, August 14, 2015. (Photo by Ilya Naymushin/Reuters)

Israeli police and border police provide security as members of the gay community march against violence and for equal rights in Jerusalem August 14, 2015. (Photo by Baz Ratner/Reuters)

Israeli police and border police secure members of the gay community as they march against violence and for equal rights in Jerusalem August 14, 2015. (Photo by Baz Ratner/Reuters)

Supporters of Radhe Ma, a self styled “god woman” wait outside a police station in Mumbai, India, August 14, 2015. A trident-toting Indian “god woman” worshipped as a miracle worker was questioned by police on Friday over accusations that she tried to extort dowry money from brides, the latest in a long line of popular gurus to run into legal problems. (Photo by Shailesh Andrade/Reuters)

Radhe Ma, 50, a self styled “god woman” walks out of a police station in Mumbai, India, August 14, 2015. (Photo by Shailesh Andrade/Reuters)

Actors reenact the famous picture of a sailor kissing a nurse on the 70th anniversary of Victory over Japan Day, near a replica sculpture in New York's Times Square August 14, 2015. The replica is being displayed to celebrate the 70th anniversary of the iconic photograph of the most famous kiss in American history that was captured between an American sailor and nurse on August 14, 1945, marking the end of World War Two. The actors are hired by a tour bus company to pose for groups to photograph. (Photo by Brendan McDermid/Reuters)

Tourists take a “selfie” photo near a replica sculpture of the famous photo by Alfred Eisenstaedt in New York's Times Square August 13, 2015. (Photo by Brendan McDermid/Reuters)

U.S. Republican presidential candidate Jeb Bush (2nd R) shares a laugh with attendees at the Iowa State Fair in Des Moines, Iowa, United States, August 14, 2015. (Photo by Jim Young/Reuters)

A memorial with giant classroom chairs is seen at the place where three teachers were killed by formers policemen during Augusto Pinochet's dictatorship in Santiago, Chile August 13, 2015. The Chilean Supreme Court in July granted parole to a former police agent who was convicted with other officers for the murder of three opponents teachers during the dictatorship of Pinochet, according to local media. (Photo by Ivan Alvarado/Reuters)

The Aventador Superveloce Roadster supercar is displayed after Automobili Lamborghini President and Chief Executive Officer Stephan Winkelmann unveiled it during The Quail, A Motorsports Gathering car event in Carmel, California, August 14, 2015. (Photo by Michael Fiala/Reuters)

British band Florence and the Machine performs during the Way Out West rock festival in Gothenburg, Sweden, August 14, 2015. (Photo by Adam Ihse/Reuters/TT News Agency)

British singer FKA Twigs performs at the Way Out West rock festival in Gothenburg, Sweden August 13, 2015. (Photo by Adam Ihse/Reuters/TT News Agency)

Feminists take part in the March of b*tches in downtown Florianópolis, Brazil on August 14, 2015. The motion calls for an end to gender violence and prejudice, defends body sexuality and reproductive life. (Photo by Eduardo Valente/Frame/Estadão Conteúdo)

The Paulaner brewery's yeast cultures are carried in a festive procession in Munich, Germany, August 14, 2015. The brewery's yeast cultures will be moved from the old inner-city site to the new, larger brewery. (Photo by Sven Hoppe/EPA)

A model wears a one-of-a-kind dress made out of more than 300 Tsum Tsum plush commissioned by Disney Store for D23 Expo on Friday, August 14, 2015 in Anaheim, Calif. (Photo by Jordan Strauss/Invision for Disney Store/AP Images)

Sculptures of soldiers from the Chinese Expeditionary Force that fought against Japanese invasion during World War II (WWII) are pictured at the Battle of Songshan mountain memorial site in Longling county of Yunnan province, China, 14 August 2015. The memorial site features 402 sculptures of soldiers of the Chinese Expeditionary Force, which helped defeat Japanese forces occupying parts of Tengchong and Longling county during the World War II. Inspired by the “Terracotta warriors”, the sculpture group created by sculptor Li Chunhua include child soldiers, infantry and artillery troops as well as veterans. Events are taking place around the World marking the 70th Anniversary of the WWII Victory over Japan Day (V-J Day, on 15 August) which marks the day Japan officially accepted the terms of surrender imposed by the by Allied Forces in the Pacific conflict. (Photo by How Hwee Young/EPA)

Thai people pray for the health of King Bhumibol Adulyadej and his Queen Sirikit outside the Siriraj hospital in Bangkok, Thailand, 14 August 2015. The world's longest living monarch, 87 year old Thai King Bhumibol Adulyadej and his Queen Sirikit, are recovering in the Siriraj hospital. According to palace statements on 10 August, revered King Bhumibol Adulyadej has been treated for water in the brain and a chest infection. (Photo by Diego Azubel/EPA)

A elderly woman and a child look out of a half-flooded house at Kan Gyee Daunt township of Ayeyarwaddy Region, Myanmar, 13 August 2015. Myanmar's government warned low-lying regions to expect even more flooding after heavy rainfall brought havoc to higher areas further north. Weeks of heavy monsoon rain have affected over one million people, about 100 people so far are reported dead and damaged was caused to more than 687,200 acres of farmland. The water has receded in many areas, many roads and bridges were destroyed in the worst affected states and regions. Transportation remains a challenge for ongoing assessments and delivery of assistance. (Photo by Lynn Bo Bo/EPA)

Junior Soldier Emma Laidlaw, 17, from Glasgow makes final adjustments to her uniform ahead of her graduation parade at the Army Foundation College on August 13, 2015 in Harrogate, England. Over 600 Junior Soldiers aged between 16 and 18 graduated at the Army Foundation College following a year of undergoing military skills training, vocational qualifications and City and Guilds apprenticeships. Following the parade which, other than Trooping of the Colour in London, is the largest in Europe the Junior soldiers will go on to join their respective units and continue with their military careers. (Photo by Ian Forsyth/Getty Images)

A wood stork runs away with a catfish, given by Bob Frye, as Frye, who was fishing in Tuscawilla Lake, puts bait on his hook at Tuscawilla Park in Ocala, Fla., Thursday, August 13, 2015. Frye said that he comes to fish at the lake at least four times a week and always tries to share his catch with a number of birds. (Photo by Bruce Ackerman/Star-Banner via AP Photo)

Anky van Grunsven ot the Netherlands competes on Whizashiningwalla BB during the Reining team final at the FEI European Championships in Aachen, Germany, Friday, August 14, 2015. (Photo by Martin Meissner/AP Photo)

People look at the mechanical Horse Dragon Long Ma as part of its return from China on August 14, 2015, to the worskhops of La Machine, a French production company in Nantes. The Horse Dragon was created in 2014 by La Machine to celebrate the 50th anniversary of diplomatic relations between France and China. (Photo by Georges Gobet/AFP Photo)

Fashion photographer Steven Klein (L) and model Bella Hadid attend the launch of Samsungs fall Lookbook in celebration of the new Samsung Galaxy S6 edge+ and Galaxy Note5 at the Samsung Galaxy Studio in Soho on August 13, 2015 in New York City. (Photo by Ilya S. Savenok/Getty Images for Samsung)