Russia's Sofiya Velikaya (R) and Lee Ra-jin of South Korea compete during their women's sabre qualification event at the World Fencing Championships in Kazan July 18, 2014. (Photo by Grigory Dukor/Reuters)

People dive in front of the cruise liner Costa Concordia at Giglio harbour, Giglio Island July 13, 2014. Italian authorities gave the green light to refloating the wrecked Costa Concordia cruise ship on Saturday, setting the stage for the next step in the largest maritime salvage in history to begin on Monday morning. The defunct luxury liner is due to depart Giglio on July 21, two and a half years after it struck a reef while performing a display manoeuvre to move close to shore and “salute” the port. (Photo by Alessandro Bianchi/Reuters)

A Muslim girl looks up while some boys sit on a wall, inside the premises of a mosque, as they wait for Iftar (breaking fast) meal during the holy month of Ramadan in the southern Indian city of Chennai July 16, 2014. (Photo by Reuters/Babu)

A mother walks with her child in the Xingtian Temple in Taipei, Taiwan, Monday, July 14, 2014. (Photo by Wally Santana/AP Photo)

School boys get drenched in a large wave during high tide at a sea front in Mumbai July 14, 2014. Weak rainfall in India since the start June, when the monsoon season began, has raised concerns of a first drought in five years, although weather experts are hopeful rains will revive in the next week. (Photo by Danish Siddiqui/Reuters)

People cool off in the Trocadero fountains during a hot summer day in Paris, July 17, 2014. (Photo by Charles Platiau/Reuters)

A woman walks past the Time Warner Center near Columbus Circle in Manhattan, New York July 16, 2014. Rupert Murdoch's 21st Century Fox Inc said on Wednesday it had offered to buy Time Warner Inc, a move that would unite two of the world's most powerful media conglomerates, but Time Warner rebuffed its offer. (Photo by Adrees Latif/Reuters)

The pack of riders cycles on its way during the 197.5km 13th stage of the Tour de France cycling race between Saint-Etienne and Chamrousse, July 18, 2014. Picture taken with low exposure. (Photo by Jean-Paul Pelissier/Reuters)

A model walks off stage in the backstage area during Frankie's Bikinis show at Mercedes Benz Swim Fashion Week in Miami, July 18, 2014. (Photo by Carlo Allegri/Reuters)

A woman jumps over a puddle as she crosses a street after a torrential downpour in the South Beach part of Miami, July 18, 2014. (Photo by Carlo Allegri/Reuters)

A woman uses her smartphone on July 16, 2014 in Tokyo, Japan. Only 53.5% of Japanese owned smartphones in March, according to a white paper released by the Ministry of Communications on July 15, 2014. The survey of a thousand participants each from Japan, the U.S., Britain, France, South Korea and Singapore, demonstrated that Japan had the fewest rate of the six; Singapore had the highest at 93.1%, followed by South Korea at 88.7%, UK at 80%, and France at 71.6%, and U.S. at 69.6% in the U.S. On the other hand, Japan had the highest percentage of regular mobile phone owners with 28.7%. (Photo by Atsushi Tomura/Getty Images)

A voodoo pilgrim bathes in a waterfall believed to have purifying powers during the annual celebration in Saut d' Eau, Haiti, Wednesday, July 16, 2014. An annual pilgrimage is made in honor of Haiti's most celebrated patron saint, Our Lady of Mount Carmel, who is supposed to have appeared on a palm tree in 1847 in the Palm Grove in Saut d'Eau and was integrated into Haiti's voodoo culture as the goddess of love. (Photo by Dieu Nalio Chery/AP Photo)

An Israeli artist performs during a flash mob for peace on July 12, 2014 in Jerusalem, Israel. Israel's operation “Protective Edge” has entered its fifth day as the IDF continue to carry out massive airstrikes across the Gaza Strip, killing more than 120 people, the majority of whom are civilians. (Photo by Ilia Yefimovich/Getty Images)

Festival goers at the Park festival at Balado on July 14, 2013 in Kinross, Scotland. (Photo by Ross Gilmore/Redferns via Getty Images)

Blanka Vlasic of Croatia competes in the women's high jump during the IAAF Diamond League athletics meeting at Hampden Park in Glasgow, July 12, 2014. (Photo by Phil Noble/Reuters)

Mahindra Moto3 rider Bryan Schouten of the Netherlands fights with compatriot Kalex KTM Moto3 rider Scott Deroue (R) after they crashed during the German Grand Prix at the Sachsenring circuit in the eastern German town of Hohenstein-Ernstthal July 13, 2014. (Photo by Thomas Peter/Reuters)

Amiya Ingram jumps as a water balloon pops on her as she and other campers play “hot potato” at Fairchild Day Camp, based at Fairchild Park in Burlington, N.C., on Wednesday, July 16, 2014. (Photo by Scott Muthersbaugh/AP Photo/Burlington Times-News)