Two biplanes of the Team Breitling cross during a training flight prior the AIR14 air show in Payerne, Switzerland, August 29, 2014. (Photo by Peter Schneider/EPA)

A man peddles household goods to supporters (unseen) of populist cleric Tahir ul-Qadri, leader of political party Pakistan Awami Tehreek (PAT), in front of the Parliament house building during the Revolution March in Islamabad August 27, 2014. Thousands of protesters, led by opposition leader Imran Khan and Qadri, are now camped out in the heart of Islamabad - the so-called “Red Zone”. (Photo by Akhtar Soomro/Reuters)

Zhang Guanhui, impersonating Michael Jackson, waits to cross a street as he heads downtown for his street performance in Beijing August 20, 2014. Zhang, born in 1984, quit elementary school and has since held jobs as a factory worker, waiter, and security guard. After watching a Michael Jackson music video four years ago for the first time, Zhang says he became fascinated and now puts on shows on the street and small stages impersonating the King of Pop. (Photo by Kim Kyung-Hoon/Reuters)

Zhang Guanhui, impersonating Michael Jackson, dances during his street performance in Beijing August 20, 2014. (Photo by Kim Kyung-Hoon/Reuters)

Zhang Guanhui, impersonating Michael Jackson, dances in front of his house located in a village for migrant workers during an interview with Reuters in Beijing July 22, 2014. (Photo by Kim Kyung-Hoon/Reuters)

A surfer looks at waves as storm clouds move in from the Pacific Ocean at Sydney's Manly Beach August 26, 2014. The Australian Weather Bureau reported today that despite tropical Pacific Ocean temperatures remaining at neutral levels, models suggest El Nino development remains possible during the coming months, adding that weakening trade winds over the Pacific Ocean earlier in August produced little warming of tropical sea surface temperatures. (Photo by David Gray/Reuters)

Russian's Irina Annenkova competes during the rhythmic gymnastics individual all-around final match at the 2014 Nanjing Youth Olympic Games in Nanjing, Jiangsu province, August 27, 2014. (Photo by Aly Song/Reuters)

A model looks in a driving mirror of a 2015 Mitsubishi Pajero car during the Moscow International Automobile Salon in Krasnogorsk outside Moscow, August 27, 2014. (Photo by Sergei Karpukhin/Reuters)

Actor Dachi Orvelashvili poses during the photo call for the movie “The President” at the 71st Venice Film Festival August 27, 2014. (Photo by Tony Gentile/Reuters)

Train wagons are seen on the destroyed railway bridge which collapsed during the fighting between the Ukrainian army and pro-Russian separatists, over a main road leading to the eastern Ukrainian city of Donetsk, near the village of Novobakhmutivka, north of Donetsk city, August 27, 2014. (Photo by Gleb Garanich/Reuters)

A group of Russian servicemen, who are detained by Ukrainian authorities, attend a news conference in Kiev August 27, 2014. Ukraine said on Tuesday its forces had captured a group of Russian paratroopers who had crossed into Ukrainian territory on a “special mission” – but Moscow said they had ended up there by mistake. (Photo by Valentyn Ogirenko/Reuters)

In Kostroma, Russia, Olga Garina, the mother of one of the Russian paratroopers captured in Ukraine, gets a call telling her all of the paratroopers are safe, on August 28, 2014. (Photo by Karoun Demirjian/The Washington Post)

A high school student wears a mask as they attend a demonstration against the government to demand changes in the education system in Santiago, August 27, 2014. Chilean students have demanded changes and an end to profiteering in the education system. (Photo by Ivan Alvarado/Reuters)

A woman and her kids react during the funeral of their relatives – two Palestinian children Mohammed and Oamr al-Brim who witnesses said were killed in an Israeli air strike before a ceasefire was declared, in Khan Younis in the southern Gaza Strip August 27, 2014. The open-ended ceasefire in the Gaza war between Israel and the Palestinians held on Wednesday as Prime Minister Benjamin Netanyahu faced strong criticism in his country's newspapers over a campaign in which no clear victor emerged. (Photo by Ibraheem Abu Mustafa/Reuters)

Thirty-one stunt riders balance on a motorcycle during dress rehearsals for the upcoming Independence Day celebrations in Kuala Lumpur August 28, 2014. (Photo by Olivia Harris/Reuters)

Chinese navy holds memorial ceremony for 120th anniversary of the first Sino-Japanese War on August 27, 2014 in Weihai, Shandong province of China. The First Sino-Japanese War was fought from August 1, 1894 to April 17, 1895. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

Chinese People's Liberation Army (PLA) Navy fires a salute during a commemoration ceremony for Chinese soldiers killed during the First Sino-Japanese War, near Liugong island in Weihai, Shandong province, August 27, 2014. The Chinese Navy is marking the 120th anniversary of the war, commonly known in China as the “War of Jia-wu”. (Photo by Reuters/Stringer)

Malaysian policemen participate in a dress rehearsal for the upcoming Independence Day celebrations in Kuala Lumpur August 28, 2014. (Photo by Olivia Harris/Reuters)

Onlookers stand by as friends mourn for a young man who was shot amidst what local media claimed are accusations of extortion from vendors at a market in Tegucigalpa August 26, 2014. Honduras and Nicaragua are among the most impoverished in the Americas, but Honduras is also blighted with the world's highest murder rate, at 90.4 homicides per 100,000 people, according to the United Nations, while Nicaragua's rate is just 11.3. (Photo by Jorge Cabrera/Reuters)

India's Central Reserve Police Force (CRPF) personnel sit before taking part in the passing out parade in Humhama, on the outskirts of Srinagar August 28, 2014. According to authorities from CRPF, 368 new policemen were formally inducted into the force after completing a 44-week rigorous training course and will be deployed in different parts of India. (Photo by Danish Ismail/Reuters)

A patient surnamed Hu goes through a medical check before a surgery at a hospital in Xi'an, Shaanxi province, August 27, 2104. The hospital is preparing to place a titanium mesh produced by a 3D printer into Hu's head to help him rebuild the shape of his head. Hu was injured after he fell from the third floor of a building, according to local media. (Photo by Reuters/China Daily)

Iraqi special police officers demonstrate their skills during a graduation ceremony in Kerbala August 28, 2014. (Photo by Mushtaq Muhammed/Reuters)

Israeli soldiers' weapons are placed beside a wallet with pictures depicting Reggae legend Bob Marley at Kibbutz Mefalsim near the border with Gaza August 28, 2014. An open-ended ceasefire in the Gaza war held on Wednesday as Prime Minister Benjamin Netanyahu faced strong criticism in Israel over a costly conflict with Palestinian militants in which no clear victor has emerged. (Photo by Amir Cohen/Reuters)

A man holds a sign during a protest against the conflict in eastern Ukraine in the centre of Moscow August 28, 2014. The sign reads: “No war”. (Photo by Maxim Zmeyev/Reuters)

A pro-Russian separatist stands near a damaged war memorial at Savur-Mohyla, a hill east of Donetsk, Ukraine, on August 28, 2014. Ukrainian President Petro Poroshenko said on Thursday that Russian forces had entered his country and the military conflict was worsening after Russian-backed separatists swept into a key town in the east. (Photo by Maxim Shemetov/Reuters)

A girl holds a placard “Enough surrender the Ukraine!” during the rally in front of Ukrainian Defence Ministery in Kiev on August 28, 2014. Protesters demand help for the volunteer battalions of Donbass, Mirotvorets, Kherson and Dnipro-1 surrounded by pro-Russian militants for the fifth day in the small city of Izvaryne, suburb of the eastern Ukrainian city of Donetsk. (Photo by Sergei Supinsky/AFP Photo)

Masked students clash with riot police during a demonstration against the government to demand changes in the public state education system, in Valparaiso city, northwest of Santiago August 28, 2014. Chilean students have been protesting against what they say is profiteering in the state education system. (Photo by Eliseo Fernandez/Reuters)

A trail left by a rock implanted with a motion-activated Global Positioning System (GPS) unit is seen in the so-called Racetrack Playa of California's Death Valley in this undated handout photo provided by the Scripps Institution of Oceanography. A solution to the longstanding mystery of why rocks move erratically across the isolated patch of California's Death Valley finally emerged on August 28, 2014, when researchers published a study showing the driving force was sheets of wind-driven ice. (Photo by Reuters/Scripps Institution of Oceanography, University of California, San Diego)

Wax models of actors Brad Pitt and Angelina Jolie have confetti thrown on them after being presented with a wedding cake and a bridal veil to celebrate their recent wedding, at the Madame Tussauds attraction in Sydney, August 29, 2014. Angelina Jolie and Brad Pitt, Hollywood's first couple, married in France over the weekend following a two-year engagement, ending nearly a decade of fevered tabloid speculation over whether “Brangelina” would ever tie the knot. (Photo by Jason Reed/Reuters)

Eugenie Bouchard of Canada serves to Sorana Cirstea of Romania during their match at the 2014 U.S. Open tennis tournament in New York, August 28, 2014. (Photo by Shannon Stapleton/Reuters)

Eugenie Bouchard of Canada celebrates defeating Sorana Cirstea of Romania during their women's singles match at the U.S. Open tennis tournament in New York, August 28, 2014. (Photo by Shannon Stapleton/Reuters)

Maria Sharapova of Russia hits a return to Alexandra Dulgheru of Romania during their match at the 2014 U.S. Open tennis tournament in New York, August 27, 2014. (Photo by Eduardo Munoz/Reuters)

Maria Sharapova of Russia celebrates a point against Sabine Lisicki of Germany in their women's singles match at the 2014 U.S. Open tennis tournament in New York, August 29, 2014. (Photo by Shannon Stapleton/Reuters)