Tourists wearing LED-lit costumes walk on their way for a drifting tour at an eco-park in Changsha, Hunan province, August 23, 2015. According to local media, more than 100 people joined the first night drifting tour arranged by the park along a 1.5 km-long river on Sunday. Tourists were provided with LED-lit costumes and gears. (Photo by Reuters/Stringer)

MiG-29 jet fighters of the Strizhi (Swifts) and Sukhoi Su-27 jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic teams perform near an Orthodox church during a demonstration flight at the MAKS International Aviation and Space Salon in Zhukovsky outside Moscow, Russia in this August 28, 2013 file photo. The MAKS International Aviation and Space Salon 2015 is expected to open in Russia this week. (Photo by Tatyana Makeyeva/Reuters)

People eat sushi off the body of a model at an opening event of a bar in Taiyuan, Shanxi province, August 22, 2015. (Photo by Reuters/Stringer)

Syrian refugees from Kobani pose for a “selfie”, moments after arriving on a dinghy on the island of Lesbos, Greece August 23, 2015. Greece, mired in its worst economic crisis in generations, has been found largely unprepared for a mass influx of refugees, mainly Syrians. Arrivals have exceeded 160,000 this year, three times as high as in 2014. The crisis has exposed massive shortages in Greece's available facilities, but also striking discord within the European Union on how to handle the humanitarian crisis. (Photo by Alkis Konstantinidis/Reuters)

Thai classical dancers touch up their make up before performing at the Erawan shrine, the site of last Monday's deadly blast, in Bangkok, Thailand, August 24, 2015. Nearly a week after a bomb in Thailand killed 20 people, authorities appear no closer to identifying suspects or a motive, with police saying on Sunday a lack of modern equipment was hampering their investigation. (Photo by Athit Perawongmetha/Reuters)

Tourist gather as they pray at the Erawan shrine, the site of last Monday's deadly blast, in Bangkok, Thailand, August 24, 2015. (Photo by Athit Perawongmetha/Reuters)

Thai classical dancers prepare their costumes before performing at the Erawan shrine, the site of last Monday's deadly blast, in Bangkok, Thailand, August 24, 2015. (Photo by Athit Perawongmetha/Reuters)

Palestinian schoolgirls attend a lesson inside a classroom, on the first day of a new school year at Suhada Khouza school in Khan Younis in the southern Gaza Strip August 24, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

Palestinian schoolgirls, pictured through a hole in the roof of a classroom that witnesses said was damaged by Israeli shelling during a 50-day war last summer, attend a lesson on the first day of a new school year at Suhada Khouza school in Khan Younis in the southern Gaza Strip August 24, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

People make their way along fences as they try to cross a flooded street outside a metro station after heavy rainfall hit Shanghai, China, August 24, 2015. (Photo by Aly Song/Reuters)

A man rans on a flooded street while a taxi splashes water as it drives past after a heavy rainfall hit Shanghai, China, August 24, 2015. (Photo by Aly Song/Reuters)

People walk on a flooded street after a heavy rainfall hit Shanghai, China, August 24, 2015. (Photo by Aly Song/Reuters)

A security guard carries a dustbin along a flooded street, during a heavy rainfall, in Shanghai, August 24, 2015. (Photo by Reuters/China Daily)

An Indian army soldier stands in front of the wreckage of a MiG-21 Bison aircraft of the Indian Air Force (IAF) after it crashed in Soibugh in Budgam district of Kashmir August 24, 2015. The pilot of the aircraft ejected safely, according to local media reports. (Photo by Danish Ismail/Reuters)

Soldiers march during Ukraine's Independence Day military parade in the centre of Kiev, Ukraine, August 24, 2015. President Petro Poroshenko said on Monday Ukraine was facing a precarious year, warning that Russia had several strategies to undermine Kiev's attempts to move towards Europe. (Photo by Valentyn Ogirenko/Reuters)

Servicemen prepare before Ukraine's Independence Day military parade, in the centre of Kiev, Ukraine, August 24, 2015. (Photo by Valentyn Ogirenko/Reuters)

A Ukrainian serviceman hugs his girlfriend at Kiev's Independence Square, Ukraine, 24 August 2015, before a march on the occasion of Independence Day. Ukrainians marked the 24th anniversary of Ukraine's independence from the Soviet Union in 1991. (Photo by Roman Pilipey/EPA)

In this photo taken on Sunday, August 23, 2015, an Ukrainian government soldier rests in a shelter at his positions near Avdiivka, outside Donetsk, eastern Ukraine. Ukraine's military said Monday August 24, 2015 that the rebels violated a cease-fire 82 times overnight in the eastern part of the country, in some cases with large-caliber weapons that should have been withdrawn in line with a truce signed in February. (Photo by Max Black/AP Photo)

Workers rest on the cocoa beans as they prepare to dry them in the village of Goin Debe, Blolequin department, western Ivory Coast August 17, 2015. Cocoa arrivals at ports in top grower Ivory Coast had reached about 1,696,000 tonnes by August 23 since the start of the season on October 1, exporters said on Monday in an estimate, up from 1,679,000 tonnes in the same period of the previous season. (Photo by Luc Gnago/Reuters)

A boy runs as he rushes away from a site hit by what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, Syria August 24, 2015. (Photo by Bassam Khabieh/Reuters)

Men carry an injured woman after what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, Syria August 24, 2015. (Photo by Bassam Khabieh/Reuters)

A member of the Syrian Arab Red Crescent carries a girl as they rush away from a site hit by what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, Syria August 24, 2015. (Photo by Bassam Khabieh/Reuters)

A woman passes in front of pictures of a gun and bullets during the Arms Trade Treaty meeting in Cancun August 24, 2015. Signatories of the treaty, aimed at regulating the international arms trade, should agree a number of key steps for its implementation at a conference this week, host nation Mexico said on Sunday. (Photo by Victor Ruiz Garcia/Reuters)

A laid-off outsourced worker, who was contracted to work for Petrobras, wears a mask of former Brazilian president Luiz Inacio Lula da Silva during a protest against recent layoffs, in front of the Petrobras headquarter in Rio de Janeiro, Brazil, August 24, 2015. Petroleo Brasileiro SA, as Petrobras is formally known, has promised to sell $15.1 billion of assets by the end of 2016 and reduce its $120 billion debt, the largest of any oil company. (Photo by Sergio Moraes/Reuters)

Anti-Houthi militiamen loyal to Yemen's exiled government pose for a photo in their position in the northern province of Marib August 24, 2015. The northern-based Houthis, a Shi'ite Muslim group, took control of Yemen's capital Sanaa last September. Arab countries intervened in the conflict in March to halt a Houthi advance into the south which caused the Saudi-backed government to flee to Riyadh from its refuge in the southern port of Aden. (Photo by Reuters/Stringer)

Two U.S. Air Force F-22 Raptor stealth jet fighters fly near Andersen Air Force Base, Guam, in this handout photo dated August 4, 2010. The United States will deploy F-22 fighter jets to Europe very soon as part of the “European Reassurance Initiative”, Air Force Secretary Deborah James said on Monday. (Photo by Master Sgt. Kevin J. Gruenwald/Reuters/U.S. Air Force)

Marines of the Gorch Fock tall ship as it sets sail in Kiel, Germany, 24 August 2015. The school ship of the German navy holds course for Ireland at first and is expected back in Kiel in the summer of 2016. (Photo by Carsten Rehder/EPA)

Visitors walk by the street covered with paper flowers during the Festas do Povo (People Fest) in Campo Maior, 180 Km from Lisbon, Portugal, 23 August 2015. The festival consist of the decoration of the streets of Campo Maior, especially the Old Town, with paper flowers and other objects in card and paper, made by the population. The latest Festas do Povo took place in 2011 and brought to the Alentejo town about one million people, and have been used nearly 30 tons materials and 7,500 volunteer people. (Photo by Nuno Veiga/EPA)

Ben Godfrey of Great Britain and BPG Racing crashes out of the Pirelli National Superstock 1000 Championship race during the MCE British Superbike Championship at Cadwell Park on August 23, 2015 in Louth, England. (Photo by Bryn Lennon/Getty Images)

Tourists with raincoats walk under the rain at International Street in Naha, in the Japanese southwestern island of Okinawa, 24 August 2015. Powerful typhoon Goni is hitting Japan's southern islands in the afternoon of 24 August 2015 and bringing strong winds and heavy rain. The typhoon is moving up the Japanese archipelago, the Japan Meteorological Agency said while the authority issues warning of high wave, flood and landslide. (Photo by Hitoshi Maeshiro/EPA)

15 year old Nasoin Akhter sits with relatives while posing for photos on the day of her wedding to a 32 year old man, August 20, 2015 in Manikganj, Bangladesh. In June of this year, Human Rights Watch released a damning report about child marriage in Bangladesh. The country has one of the highest rates of child marriage in the world, with 29% of girls marrying before the age of 15, and 65% of girls marrying before they turn 18. The detrimental effects of early marriage on a girl cannot be overstated. Most young brides drop out of school. Pregnant girls from 15-20 are twice as likely to die in childbirth than those 20 or older, while girls under 15 are at five times the risk. Research cites spousal age difference as a significant risk factor for violence and sexual abuse. Child marriage is attributed to both cultural tradition and poverty. Parents believe that it “protects” girls from sexual assault and harassment. Larger dowries are not required for young girls, and economically, women's earnings are insignificant as compared to men's. (Photo by Allison Joyce/Getty Images)

15 year old Nasoin Akhter poses for a video on the day of her wedding to a 32 year old man, August 20, 2015 in Manikganj, Bangladesh. (Photo by Allison Joyce/Getty Images)

Recording artist Nicki Minaj performs at the 2015 Billboard Hot 100 Music Festival at Nikon at Jones Beach Theater on Sunday, August 23, 2015, in Wantagh, N.Y. (Photo by Scott Roth/Invision/AP Photo)

Swiss police officers inspect the wreckage of a plane involved in a collision with a second plane during an airshow on August 23, 2015 in Dittingen, near Basel, northern Switzerland. According to a Swiss news agency, a pilot died and the second pilot – both from the Wurttemberg state in Germany – managed to eject and parachute himself to land safely. (Photo by Sebastien Bozon/AFP Photo)

The so-called “Stone Age”-travellers (L to R) Lukas Heinen, Veronika Hocke and Marco Hocke walk in the forest near Altenbeken, western Germany, on August 21, 2015 on their way from Detmold to Bonn. The travellers wearing Stone Age clothes walk 14 days to promote the upcoming exhibition “Revolution Stone Age” that runs from September 5, 2015 to April 3, 2016 in Bonn. (Photo by Bernd Thissen/AFP Photo/DPA)