Nepalese women activists lie down on a road during a protest demanding women rights in upcoming constitution in Kathmandu, Nepal, August 7, 2015. According to reports, several groups are calling for women's rights to be enshrined in the new charter. A new charter was one of the provisions in the 2006 peace accord that ended the civil war in Nepal. It took some seven years for negotiators to reach a first draft amid disagreement over issues including the structure of the state and rights. (Photo by Narendra Shrestha/EPA)

Asylum seeker is pictured behind glass after she was picked up by German police at train station in Rosenheim, southern Germany, August 6, 2015. (Photo by Michaela Rehle/Reuters)

A combination photo shows cosplayers posing during the Gamescom fair in Cologne, Germany August 6, 2015. The Gamescom convention, Europe's largest video games trade fair, runs from August 5 to August 9. (Photo by Kai Pfaffenbach/Reuters)

A woman with here nephew cut branches from a tree for firewood near Yemen's capital Sanaa August 6, 2015. Residents in the Yemeni capital Sanaa are stocking up on rare food and fuel supplies after the government in exile decided to divert aid ships from the Houthi rebel-held north to loyalist areas farther south. (Photo by Mohamed al-Sayaghi/Reuters)

People practise Metta Float Yoga at the adriatic cost in Medulin, Croatia August 6, 2015. (Photo by Pawel Kopczynski/Reuters)

Migrant children on the Migrant Offshore Aid Station (MOAS) ship MV Phoenix wait to be transferred to the Norwegian ship Siem Pilot off the coast of Libya August 6, 2015. An estimated 700 migrants on an overloaded wooden boat were rescued 10.5 miles (16 kilometres) off the coast of Libya by the international non-governmental organisations Medecins san Frontiere (MSF) and MOAS without loss of life on Thursday afternoon, according to MSF and MOAS, a day after more than 200 migrants are feared to have drowned in the latest Mediterranean boat tragedy after rescuers saved over 370 people from a capsized boat thought to be carrying 600. (Photo by Darrin Zammit Lupi/Reuters)

White canvas covers parts of the Rhone glacier to protect against melting near the Furka mountain pass at 2429 meters (7969 ft) altitude in the Swiss Alps, Switzerland August 6, 2015. (Photo by Arnd Wiegmann/Reuters)

A woman whose relative was aboard Malaysia Airlines flight MH370, holds a placard that reads, "Mom is always here waiting for you, never will give up", as she cries next to family members and kneels down in front of media ahead of a briefing given by Malaysia Airlines, in Beijing August 7, 2015. China called on Malaysia on Thursday to continue investigating what happened to a missing Malaysia Airlines flight after Kuala Lumpur said a piece of a wing that washed up on an Indian Ocean island beach last week was part of the plane's wreckage. (Photo by Jason Lee/Reuters)

Emily Seebohm of Australia swims in women's 200m backstroke heat at the Aquatics World Championships in Kazan, Russia, August 7, 2015. (Photo by Stefan Wermuth/Reuters)

Russia's Grigory Tarasevich starts in the men's 200m backstroke heat at the Aquatics World Championships in Kazan, Russia, August 6, 2015. (Photo by Stefan Wermuth/Reuters)

Pope Francis jokes during a special audience with members of “Eucharist Youth Movement” in Paul VI hall at the Vatican, August 7, 2015. (Photo by Tony Gentile/Reuters)

Kashmiri villagers carry the body of a suspected militant during his funeral in Kakapora village, south of Srinagar, August 7, 2015. Three residential houses were damaged and a militant was killed in an encounter with Indian security forces in south Kashmir's Pulwama district, local media and police said. (Photo by Danish Ismail/Reuters)

A woman prepares dough for a strudel at a cafe in central Kiev, Ukraine, August 7, 2015. (Photo by Valentyn Ogirenko/Reuters)

Workers take part in a mass funeral ceremony to bury 57 unidentified members of Ukrainian military forces who were killed in the conflict in eastern regions, in the settlement of Kushuhum near Zaporizhia, Ukraine, August 7, 2015. (Photo by Gleb Garanich/Reuters)

An art installation formed with milk churns, made by land art artist Gerard Benoit a la Guillaume, is seen at the Chenau de Mayen in the resort of Leysin, Switzerland August 7, 2015. More than 80 milk churns were placed between the Tour d'Ai and the Tour de Mayen summits at an altitude of 2,000 meters (6,561 feet) above sea level under the direction of the artist, to be photographed for his ongoing art project entitled “Milk churns without borders”. (Photo by Denis Balibouse/Reuters)

A volunteer carries milk churns as he helps land art artist Gerard Benoit a la Guillaume to form an art installation at the Chenau de Mayen in the resort of Leysin, Switzerland August 7, 2015. (Photo by Denis Balibouse/Reuters)

Japan's Ryo Akaho falls to the mat after being knocked down by Thailand's Pungluang Sor Singyu during their World Boxing Organisation (WBO) world bantamweight title fight at Ratchaburi province, Thailand, August 7, 2015. (Photo by Athit Perawongmetha/Reuters)

Palestinian protesters holding Palestinian flags react to tear gas fired by Israeli troops during clashes at a protest against Jewish settlements in the West Bank village of Nabi Saleh, near Ramallah August 7, 2015. (Photo by Mohamad Torokman/Reuters)

A man painted in the Ivory Coast flag colors looks on during the commemoration of Ivory Coast's 55th Independence Day in Abidjan, August 7, 2015. (Photo by Luc Gnago/Reuters)

U.S. players push head coach Adam Krikorian into the pool after they defeated the Netherlands in their women's water polo gold medal match during the Aquatics World Championships in Kazan, Russia, August 7, 2015. (Photo by Michael Dalder/Reuters)

A collection of stuffed animals sits on the road in a memorial at the site where Michael Brown was killed nearly a year ago in Ferguson, Missouri August 7, 2015. One year after the police shooting of an unarmed black teen thrust Ferguson, into the national spotlight, the St. Louis suburb is bracing for a weekend of protests over continued complaints of police violence. (Photo by Rick Wilking/Reuters)

Combination picture shows local residents and volunteers from nearby churches holding hands while connecting and praying with one another during a community event hosted by the Convoy of Hope in Forestwood Park in Ferguson, Missouri, United States, July 25, 2015. (Photo by Adrees Latif/Reuters)

U.S. President Barack Obama waits as his daughter Sasha boards Air Force One, as they depart from Joint Base Andrews in Washington August 7, 2015. The Obamas are traveling to Martha's Vineyard in Massachusetts where they will enjoy a two-week vacation. (Photo by Kevin Lamarque/Reuters)

Two young women cross the street in a region of the South Bronx that has seen a deadly outbreak of Legionnaires' disease in New York August 7, 2015. New York Governor Andrew Cuomo will send state health inspectors to New York City on Saturday to help inspect cooling towers in response to a deadly outbreak of Legionnaires' disease, officials said on Friday. (Photo by Lucas Jackson/Reuters)

An migrant cries as she shouts slogans next to the French police during a protest on the motorway in Calais, France, August 7, 2015. For most of the 3,000 inhabitants of the “Jungle”, a shanty town on the sand dunes of France's north coast, the climax of each day is the nightly bid to sneak into the undersea tunnel they hope will lead to new life in Britain. (Photo by Juan Medina/Reuters)

Construction workers sleep under an expressway bridge during their lunch break in Singapore, in this March 6, 2007 file photo. On August 9, 2015, Singapore will mark half a century of independence, and marvel at its leap from the third world to the first. But progress in the next few years will be less momentous. The government expects economic growth to be less than half the 8 percent average rate of the past 50 years, adding that a shrinking workforce will challenge that forecast. Restrictions on foreign workers have worsened a labor crunch, particularly in the manufacturing, services and construction sectors, in a country more known for its business-friendly policies. (Photo by Nicky Loh/Reuters)

Migrants try to get on a train heading to the border with Serbia at the train station in Gevgelija, on the Macedonian-Greek border on August 7, 2015. Some 224,000 migrants and refugees have crossed the Mediterranean to Europe so far this year, the UN said. (Photo by Dimitar Dilkoff/AFP Photo)

A Chinese couple from Yunnan accompany a photographer as they make their way through the water and on the rocks for a wedding photo session at the Cap Malheureux beach on the Indian Ocean island Mauritius, August 5, 2015. (Photo by Jacky Naegelen/Reuters)

A visitor looks at pieces used as offerings to the Aztec god Xochipilli, at an exhibition titled “An Offering to Xochipilli” during a media tour at the Museum of the Templo Mayor in Mexico City August 7, 2015. Ancient offerings to the Aztec god Xochipilli which were excavated in Mexico City went on display in the Mexican capital on Friday, revealing new insights into the little-known god of art. The artefacts were discovered at the ruins of Templo Mayor, one of the largest and most important temples of the Aztec capital of Tenochtitlan, which was used for religious ceremonies and human sacrifices. (Photo by Henry Romero/Reuters)

A firefighter works to put out a brush fire burning on the eastbound Ventura (134) Freeway in Los Angeles, California August 7, 2015. The brush fire spread out in small spots over a 2-mile stretch on both sides of the freeway, according to the Fire Department. (Photo by Mario Anzuoni/Reuters)

A Los Angeles County Fire Department helicopter drops water on a brush fire burning on the eastbound Ventura (134) Freeway in Los Angeles, California August 7, 2015. (Photo by Mario Anzuoni/Reuters)

A Los Angeles County Fire Department helicopter drops water on a brush fire burning on the eastbound Ventura (134) Freeway in Los Angeles, California August 7, 2015. (Photo by Mario Anzuoni/Reuters)

A demonstrator, wearing a Guy Fawkes mask, takes part in a march to demand the resignation of Honduras' President Juan Orlando Hernandez along the streets of Tegucigalpa, August 7, 2015. Thousands of protesters have been continuing demonstrations in Tegucigalpa, calling for the resignation of Hernandez over a $200 million corruption scandal at the Honduran Institute of Social Security. (Photo by Jorge Cabrera/Reuters)

A Buddhist monk prays for victims of the 1945 atomic bombing at Nipponzan Myohjii temple in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. (Photo by Toru Hanai/Reuters)

The Republic of Singapore Air Force Black Knights aerobatics team performs a manoeuvre during an aerial display ahead of Singapore's Golden Jubilee celebrations along the southern coast of Singapore August 8, 2015. Singapore marks 50 years of independence on Sunday. (Photo by Edgar Su/Reuters)

Tareq Alzain of Bahrain, aged 10, looks back after the women's 50m freestyle heats at the Aquatics World Championships in Kazan, Russia, August 8, 2015. (Photo by Stefan Wermuth/Reuters)

Visitors look at a mock Nagasaki-type atomic bomb named “Fat Man” at the Nagasaki Atomic Bomb Museum in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. (Photo by Toru Hanai/Reuters)

A visitor looks at a video of the mushroom cloud of the atomic bomb blast, at the Nagasaki Atomic Bomb Museum in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. (Photo by Toru Hanai/Reuters)

Relatives of the Georgian soldiers killed during Georgia's war conflict with Russia over the breakaway region of South Ossetia in 2008 mourn during a ceremony at the memorial cemetery in Tbilisi, Georgia, August 8, 2015. (Photo by David Mdzinarishvili/Reuters)

A woman mourns at the grave of a Georgian soldier killed during Georgia's conflict with Russia over the breakaway region of South Ossetia in 2008 during a ceremony at the memorial cemetery in Tbilisi, Georgia, August 8, 2015. (Photo by David Mdzinarishvili/Reuters)

Entertainers wearing alien costumes pose for photos during the parade at the opening ceremony of the 25th China Qingdao International Beer Festival at the West Coast Square in Qingdao city, eastern China's Shandong province, August 7, 2015. The annual festival was launched in 1991 and is held from August 08 to 30 in 2015 during the tourism season. (Photo by Wu Hong/EPA)

Young people sleep on the sand during the 12th O.Z.O.R.A. Festival, one of the largest psychedelic music festivals of Europe, near the village of Ozora, 123 kms south of Budapest, Hungary, 07 August 2015. The festival runs from 03 to 09 August 2015. (Photo by Balazs Mohai/EPA)

Members of the emergency services fight a forest fire in Manguald, northern Portugal, 06 August 2015. Members of the emergency services deployed 108 men, 53 land vehicles, and four plane to fight the forest fire. (Photo by Nuno Andre Ferreira/EPA)

A photo made available 07 August 2015 of members of the Ukrainian group “Dakh Daughters Band” preparing for their performance at the “Seebuehne” (lit: Lakeside stage) within the “Zuercher Theater Spektakel” (Zurich Theatre Spectacle) at the “Landiwiese” venue in Zurich, Switzerland, late 06 August 2015. The international theater and performing arts festival runs from 06 to 23 August 2015. (Photo by Dominic Steinmann/EPA)

A photo made available 07 August 2015 of members of the Ukrainian group “Dakh Daughters Band” striking poses during their performance at the “Seebuehne” (lit: Lakeside stage) within the “Zuercher Theater Spektakel” (Zurich Theatre Spectacle) at the “Landiwiese” venue in Zurich, Switzerland, late 06 August 2015. (Photo by Dominic Steinmann/EPA)

Syrian refugee groom Ahmad Khalid, 21, and his bride Fatheya Mohammed, 21, sit in front of his family's tent during their wedding ceremony at an informal tented settlement near the Syrian border on the outskirts of Mafraq, Jordan, Friday, August 7, 2015. (Photo by Muhammed Muheisen/AP Photo)

A soldier fires a portable air defense rocket during the International military games “Masters of Antiaircraft Battle – 2015” outside the Russian southern town of Yeisk on August 6, 2015. Teams of the Armed Forces of the People's Republic of China, the Islamic Republic of Pakistan, the Bolivarian Republic of Venezuela, the Republic of Belarus and the Russian Federation take part in the military competition. (Photo by Sergei Venyavsky/AFP Photo)