People gather around the art installation Embrace during the Burning Man 2014 “Caravansary” arts and music festival in the Black Rock Desert of Nevada August 26, 2014. People from all over the world have gathered at the sold out festival to spend a week in the remote desert cut off from much of the outside world to experience art, music and the unique community that develops. (Photo by Jim Urquhart/Reuters)

Dou Ziwang, an employee of a chilli processing factory, proposes to his girlfriend as they stand on hearts made of 99,999 chillies, in Handan, Hebei province, August 29, 2014. (Photo by Reuters/Stringer)

India's Central Reserve Police Force (CRPF) personnel perform a stunt during 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 folk dancer sits while getting his makeup done for a performance during the start of Onam festival in Kerala, India, on August 29, 2014. (Photo by Sivaram V/Reuters)

A dancer in body paint waits to take part in a performance during festivities marking the start of the annual harvest festival of “Onam” in the southern Indian city of Kochi August 29, 2014. The ten-day-long Hindu festival is celebrated annually in India's southern coastal state of Kerala to commemorate the return of King Mahabali to his beloved subjects. (Photo by Sivaram V/Reuters)

Picture shows magma along a 1-km-long fissure in a lava field north of the Vatnajokull glacier, which covers part of Bardarbunga volcano system, August 29, 2014. The eruption is at the tip of a magma dyke around 40 km from the main Bardarbunga crater and activity subsided to relatively low levels after peaking between 00:20 and 02:00 GMT, Iceland Met Office seismologist Martin Hensch said. Iceland's Meteorological Office on Friday downgraded its volcano alert level to orange from red and said a small eruption that started during the night is not a threat to aviation. (Photo by Marco Nescher/Reuters)

People wearing bikinis and swimming costumes, attend a stripe off challenge to reject the ice bucket challenge for its water wasting on August 26, 2014 in Shenzhen, Guangdong province of China. People wearing swimming costumes attended a stripe off challenge to provoke the idea of water saving and reject ice bucket challenge for its water wasting. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

A collapsed minaret is seen as Palestinians leave after performing Friday prayers at the remains of a mosque, which witnesses said was hit by an Israeli air strike during a seven-week Israeli offensive in Gaza City August 29, 2014. An open-ended ceasefire, mediated by Egypt, took effect on Tuesday evening. It called for an indefinite halt to hostilities, the immediate opening of Gaza's blockaded crossings with Israel and Egypt, and a widening of the territory's fishing zone in the Mediterranean. Israel launched an offensive on July 8, with the declared aim of ending rocket fire into its territory. (Photo by Ibraheem Abu Mustafa/Reuters)

Residents remove a dead body from under debris after what activists claim was shelling by forces loyal to Syria's President Bashar al-Assad in Old Aleppo's Kadi Askar area August 29, 2014. (Photo by Abdalrhman Ismail/Reuters)

A participant experiences the effect of air pressure during a performance for school children organized by members of the “Newton Park” interactive museum of science at the Museum Centre in Krasnoyarsk, Siberia, August 29, 2014, several days before the beginning of a new academic year. A group of young engineers, scientists and researchers, who specialize in chemistry, applied mathematics and physics, founded an interactive museum of science to conduct experiments aimed at the popularization of the exact sciences for the pupils and their parents. (Photo by Ilya Naymushin/Reuters)

A boy holds a replica gun as Palestinians take part in a rally celebrating what they say was a victory by Palestinians in Gaza over Israel following a ceasefire, in the West Bank city of Hebron August 29, 2014. An open-ended ceasefire, mediated by Egypt, took effect on Tuesday evening. It called for an indefinite halt to hostilities, the immediate opening of Gaza's blockaded crossings with Israel and Egypt, and a widening of the territory's fishing zone in the Mediterranean. Israel launched an offensive on July 8, with the declared aim of ending rocket fire into its territory. (Photo by Ammar Awad/Reuters)

Protesters burn portraits of Russian President Vladimir Putin during a rally in support of Ukraine in Tbilisi August 29, 2014. (Photo by David Mdzinarishvili/Reuters)

A man walks past burnt vehicles in a square near a railway station after recent shelling in Donetsk, eastern Ukraine, August 29, 2014. (Photo by Maxim Shemetov/Reuters)

Armed police officers pose for the media in Downing Street, central London August 29, 2014. Britain's Prime Minister David Cameron said on Friday he planned to introduce new legislation to make it harder for Britons to travel to Syria and Iraq to fight alongside Islamist extremists. Cameron, who said he would detail his plans in parliament on Monday to confiscate passports, was speaking as Britain raised its international terrorism threat level to “severe”, its second highest level. (Photo by Paul Hackett/Reuters)

A member of the Band of the Moscow Suvorov Military Music College from Russia performs during the dress rehearsal of the International Military Music Festival “Spasskaya Tower” in front of the St. Basil's Cathedral in Red Square in Moscow, August 29, 2014. Military bands from different countries will participate in the tattoo starting from August 30 to September 7. (Photo by Maxim Zmeyev/Reuters)

Models Kylie Jenner and Kendall Jenner take selfies at the 2014 MTV Video Music Awards at The Forum in Inglewood, California, on August 24, 2014. (Photo by Larry Busacca/Getty Images for MTV)

Riders past the Príncipe de Asturias aircraft carrier, the only one in the Spanish navy's possession, at the start of the third stage of the Vuelta, tour of Spain cycle race, in Cadiz, Spain, on Monday August 25, 2014. The third stage of the Spanish Vuelta cycling race over 188 kilometers with start in Cadiz and finish in Arcos de La Frontera. (Photo by Miguel Angel Morenatti/AP Photo)

Riot policemen and soldiers of the NATO-led Kosovo Force (KFOR) take part in a crowd and riot control exercise near the town of Ferizaj on August 29, 2014. Despite the deteriorating situation in the Middle East and Ukraine, NATO does not plan to reduce the number of its peacekeeping troops in Kosovo. (Photo by Armend Nimani/AFP Photo)

Local children lie in the grass as they watch historical society members fire five volleys of a cannon at the inauguration ceremony of a monument to honour members of the British Cheshire Regiment and other soldiers who died fighting the German Army exactly 100 years before at the same site during World War I on August 24, 2014 in Audregnies, Belgium. Of the 25 officers and 925 men of the 1st Battalion, Cheshire Regiment who fought that day on August 24, 1914, only a total of 207 would survive after two messengers with instructions for the unit to retreat failed to make it through. The battle came on the heals of the Battle of Mons the day before, which was the first major engagmement between British and German forces in the war. The British, French and Belgian armies were forced to continue their retreat until weeks later, when only a short distance from Paris they managed to reverse the tide of the war and push the Germans back north. (Photo by Sean Gallup/Getty Images)

Tourists view Hukou Waterfall August 24, 2014 in China. It is the largest waterfall on the Yellow River, China, and the second largest waterfall in China. (Photo by ChinaFotoPress via Getty Images)

In this composite image Chinese women pose in face-kinis in the Yellow Sea on August 21, 2014 in Qingdao, China. The locally designed mask is worn by many local women to protect them from jellyfish stings, algae and the sun's ultraviolet rays. (Photo by Kevin Frayer/Getty Images)

People sit in front of the 50ft (15m) inflatable whale that has been erected on the beach by the Bible Society on August 27, 2014 in Weston-Super-Mare, England. The Bible Society is using the whale to allow the Circo Rum Ba Ba circus troupe to perform the Biblical story of Jonah and the Whale. The whale was brought to Weston after it was banned from London's Hyde Park for being too “religious”. (Photo by Matt Cardy/Getty Images)

A child plays in front of a 50-foot inflatable whale to be used for a performance of “Jonah and the Whale” on the beach in Weston-Super-Mare, England, on August 27, 2014. (Photo by Matt Cardy/Getty Images)

A steam road locomotive that is part of the World War One Commemorative Display drives through the main arena at the Great Dorset Steam Fair in Tarrant Hinton near Blandford on August 28, 2014 in Dorset, England. Heavy rain has disrupted the opening of the event, which is in its 45th year and regularly attracts 200,000 visitors to the site to see steam road locomotive, as well as other vintage vehicles. (Photo by Matt Cardy/Getty Images)

Two water tanks, reimagined and wrapped as artistic canvases by artists Laurie Simmons (L) and Odili Donald Odita (R) for The Water Tank Project, are seen on August 27, 2014 in the Chelsea neighorhood of New York City. The Water Tank Project will wrap over 100 water tanks around New York City with art by both new and established artists through the end of October 2014. The goal of the project is to raise awareness about water usage and the environment. (Photo by Andrew Burton/Getty Images)

U.S. Park Police officers wearing military-style uniforms arrest about 120 demonstrators as they demand that President Barack Obama halt deportations outside the White House August 28, 2014 in Washington, DC. Organized by CASA of Maryland, the protesters were arrested after refusing to clear the sidewalk on the north side of the White House. (Photo by Chip Somodevilla/Getty Images)

A car sits atop an embankment after losing control and skidding up the concrete retaining wall on South La Brea Ave in Baldwin Hills, Los Angeles on August 24, 2014. The driver and his passenger escaped injury. (Photo by Mark Ralston/AFP Photo)

Indian schoolchildren use a bamboo bridge to cross floodwaters in Morkata village in the Morigoan district of Assam on August 25, 2014. Floods and landslides in Nepal and India have killed nearly 200 people and scores more are missing. Hundreds die every year in floods and landslides during the monsoon season in South Asia. (Photo by Biju Boro/AFP Photo)

A photo taken on August 29, 2014, shows Mount Tavurvur erupting in eastern Papua New Guinea, spewing rocks and ash into the air, forcing the evacuation of local communities and international flights to be re-routed. Mount Tavurvur, which destroyed the town of Rabaul when it erupted simultaneously with nearby Mount Vulcan in 1994, rumbled to life early in the morning on the tip of the remote island of New Britain. (Photo by Oliver Bluett/AFP Photo)

Relatives of two Palestinian children Mohammed and Oamr al-Brim who witnesses said were killed in an Israeli air strike before a ceasefire was declared, cry during their funeral 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)

Foster dressed as Captain Nemo poses for pictures while attending the Dragon Con science fiction and fantasy convention in Atlanta, Georgia, August 29, 2014. Thousands of attendees will crowd downtown during the 28th annual gathering in downtown Atlanta. (Photo by Erik S. Lesser/EPA)

Dancers from the Royal Opera House perform a piece entitled “Windows in Progress” which takes place in and around various shops adjacent to the Opera House in London, on August 26, 2014. The work, by choreographer Luca Silvestrini, is part of the “Deloitte Ignite” contemporary arts festival at the Royal Opera House. (Photo by Oli Scarff/Getty Images)