Croatian firefighters work to control a large forest fire in the village of Zabrdje on the Peljesec peninsula in southern Croatia, Friday, July, 24, 2015. Volunteers, military and Croatian firefighters are struggling to cope with raging forest fires on the country's Adriatic coast. The Peljesac peninsula is facing a blaze that has forced hundreds of residents and tourists to evacuate. (Photo by Amel Emric/AP Photo)

A column of smoke rises from the Wragg fire near Winters, Calif., on Thursday, July 23, 2015. According to Cal Fire, the blaze scorched more than 6,000 acres and is threatening 200 structures. (Photo by Noah Berger/AP Photo)

A woman encourages the riders as they pass during the nineteenth stage of the Tour de France cycling race over 138 kilometers (85.7 miles) with start in Saint-Jean-de-Maurienne and finish in La Toussuire, France, Friday, July 24, 2015. (Photo by Christophe Ena/AP Photo)

A spectator pours water on stage winner Italy's Vincenzo Nibali as he rides breakaway during the nineteenth stage of the Tour de France cycling race over 138 kilometers (85.7 miles) with start in Saint-Jean-de-Maurienne and finish in La Toussuire, France, Friday, July 24, 2015. (Photo by Christophe Ena/AP Photo)

Bauke Mollema of the Netherlands speeds downhill during the nineteenth stage of the Tour de France cycling race over 138 kilometers (85.7 miles) with start in Saint-Jean-de-Maurienne and finish in La Toussuire, France, Friday, July 24, 2015. (Photo by Christophe Ena/AP Photo)

Italy's Vincenzo Nibali passes spectators with donkeys during the nineteenth stage of the Tour de France cycling race over 138 kilometers (85.7 miles) with start in Saint-Jean-de-Maurienne and finish in La Toussuire, France, Friday, July 24, 2015. (Photo by Christophe Ena/AP Photo)

A spectator with an umbrella in the colors of the best climber's dotted jersey waits for the riders during the nineteenth stage of the Tour de France cycling race over 138 kilometers (85.7 miles) with start in Saint-Jean-de-Maurienne and finish in La Toussuire, France, Friday, July 24, 2015. (Photo by Christophe Ena/AP Photo)

In this June 9, 2015 photo, a woman practices Tai Chi in San Francisco's Chinatown. The country's oldest Chinatown has sheltered immigrants for more than 100 years, but may face changes as San Francisco undergoes an unprecedented boom in technology jobs. (Photo by Noah Berger/AP Photo)

In this June 24, 2015 photo, roasted meats hang in the window of Yee's Restaurant in San Francisco's Chinatown. The neighborhood is the birthplace of Chinese America, and to some extent, the broader Asian America that descended from immigration over the Pacific Ocean throughout the 19th and 20th centuries. (Photo by Noah Berger/AP Photo)

A demonstrator uses spray-paint to deface the windshield of a car of the OSCE and the International Committee of the Red Cross during a protest in Donetsk, eastern Ukraine, Thursday, July 23, 2015. Observers at the Organization for Security and Cooperation and Security in Europe say protesters in rebel-controlled Donetsk vandalized their cars on Thursday showed several dozen protesters outside the hotel where OSCE observers were staying. Some of them, young men wearing sunglasses, spray-painted the cars of the OSCE and the International Committee of the Red Cross in the parking lot. (Photo by Alexander Ermochenko/AP Photo)

In this Thursday, July 23, 2015 photo, Iraqi federal police forces patrol in an eastern suburb of Ramadi, backed by Shiite and Sunni pro-government fighters and U.S.-led coalition airstrikes against Islamic State group positions in Anbar province, Iraq. (Photo by AP Photo)

Russian navy battle ships station in the bay during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea, Friday, July 24, 2015. The Russian Navy Day is celebrated the last Sunday of July. (Photo by Alexander Polegenko/AP Photo)

Missiles are fired by a Russian navy battle ship during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea, Friday, July 24, 2015. (Photo by Alexander Polegenko/AP Photo)

Russian female soldier performs during a rehearsal for the Navy Day parade in the far eastern port of Vladivostok, Russia, July 24, 2015. Russia will mark Navy Day on July 26. (Photo by Yuri Maltsev/Reuters)

Russian navy battle ships station in the bay during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea, Friday, July 24, 2015. (Photo by Alexander Polegenko/AP Photo)

Missiles are fired by a Russian navy battleship during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea, Friday, July 24, 2015. (Photo by Alexander Polegenko/AP Photo)

A performer in a diving suit dances next to a mock-up submarine during the opening ceremony for the 16th FINA World Championships in Kazan, Russia, July 24, 2015. (Photo by Hannibal Hanschke/Reuters)

Actors perform during the opening ceremony at the Swimming World Championships in Kazan, Russia, Friday, July 24, 2015. (Photo by Denis Tyrin/AP Photo)

An acrobat performs during the opening ceremony at the Swimming World Championships in Kazan, Russia, Friday, July 24, 2015. (Photo by Denis Tyrin/AP Photo)

Russian President Vladimir Putin speaks at the opening ceremony for the 16th FINA World Championships in Kazan, Russia, July 24, 2015. (Photo by Mikhail Klimentyev/Reuters/RIA Novosti/Kremlin)

Russia's synchronised swimming duet Aleksandr Maltsev (L) and Darina Valitova compete in the Mixed Duet Technical preliminary during the synchronised swimming competition at the 2015 FINA World Championships in Kazan on July 25, 2015. (Photo by Christophe Simon/AFP Photo)

Workers bale hay at an Amish farm on Friday, July 24, 2015, in Springfield, N.Y. (Photo by Mike Groll/AP Photo)

Atmosphere at Ralph Pucci: The Art Of The Mannequin at Museum of Art and Design on July 23, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images)

Atmosphere at Ralph Pucci: The Art Of The Mannequin at Museum of Art and Design on July 23, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images)

Boat launch dock pilings at La Laguna Resort stand high over the receded waters of Lake Elsinore in Lake Elsinore, California July 23, 2015. (Photo by David McNew/Reuters)

A metrobus driver performs squats at Rio de los Remedios metrobus station in Mexico City, July 23, 2015. To combat growing obesity, lawmakers have introduced a new campaign encouraging physical activity. This machine, installed in 21 metrobus stations around the city, asks its user to do 10 squats, and when all ten are performed correctly, it prints out a free ticket. (Photo by Edgard Garrido/Reuters)

A woman cross the deserted road during the general strike called by the hardliner faction from the former Maoist rebels to protest against the first draft of the new constitution that has been published in Kathmandu July 24, 2015. (Photo by Navesh Chitrakar/Reuters)

A woman tries to avoid being sprayed with water as she puts out a cigarette in a park during a hot summer morning in central Kiev, Ukraine, July 24, 2015. Temperatures in the Ukrainian capital Kiev rose up to 33 degrees Celsius (91.4 Fahrenheit) and temperatures are expected to rise to 36 degrees Celsius (96.8 Fahrenheit) in the coming days, according to local weather forecasts. (Photo by Gleb Garanich/Reuters)

Soldiers salute as they return from training session at a military base in Hoa Lac, outside Hanoi July 24, 2015, for an upcoming military parade to mark the 70th anniversary of Vietnam's National Day on September 2. (Photo by Reuters/Kham)

An activist stands next to a mannequin with burning hat which represents the Prosecutor General of Ukraine Viktor Shokin during their anti-corruption rally in front of the Prosecutor General's office in Kiev, Ukraine, July 24, 2015. (Photo by Valentyn Ogirenko/Reuters)

The car of the Force India Formula One driver Sergio Perez of Mexico is pictured after the first practice session of the Hungarian F1 Grand Prix at the Hungaroring circuit, near Budapest, Hungary July 24, 2015. (Photo by Bernadett Szabo/Reuters)

Indian Central Reserve Police Force (CRPF) personnel inspect the site of a grenade attack next to a telecom tower in Srinagar, July 24, 2015. On Friday, three attacks were carried out on telecoms facilities in the Muslim-majority state's summer capital of Srinagar, one of them near the office of Chief Minister Mufti Mohammad Sayeed. (Photo by Danish Ismail/Reuters)

Students shout slogans during a rally denouncing Japan's Prime Minister Shinzo Abe's administration outside parliament in Tokyo July 24, 2015. Abe pushed through parliament's lower house legislation that could see troops sent to fight abroad for the first time since World War Two, despite protests and a risk of further damage to his sagging ratings. (Photo by Thomas Peter/Reuters)

People hold placards denouncing Japan's Prime Minister Shinzo Abe's security-related legislation during an anti-government rally in Tokyo July 24, 2015. (Photo by Thomas Peter/Reuters)

Singer Nicki Minaj performs on ABC's “Good Morning America” show in New York July 24, 2015. (Photo by Brendan McDermid/Reuters)

Members of the General Service Unit (GSU) policemen patrol a section of an over-pass where U.S. President Barack Obama will be driving through during his arrival for his three-day state visit, in Kenya's capital Nairobi July 24, 2015. Obama departed for Kenya on Thursday, his first trip to his father's homeland as U.S. president, kicking off a swing through Africa that will also include a stop in Ethiopia. (Photo by Noor Khamis/Reuters)

A man pulls an empty hand-drawn cart decorated with U.S. and Kenyan flags along a road ahead of a scheduled state visit by U.S. President Barack Obama, in Kenya's capital Nairobi July 24, 2015. (Photo by Thomas Mukoya/Reuters)

A Turkish Air Force A400M tactical transport aircraft is parked at Incirlik airbase in the southern city of Adana, Turkey, July 24, 2015. Turkey has agreed to allow U.S. planes to launch air strikes against Islamic State militants from the U.S. air base at Incirlik, close to the Syrian border, U.S. defense officials said on Thursday. The decision, disclosed a day after a telephone call between President Barack Obama and Turkish President Tayyip Erdogan, follows long-time reluctance by Ankara to become engaged in the fight against Islamist militants. Turkey has faced increasing insecurity along its 900-km (560-mile) border with Syria. (Photo by Murad Sezer/Reuters)

Burundi police patrol the streets of Musaga district in the capital Bujumbura after the results of this weeks presidential elections were released, July 24, 2015. President Pierre Nkurunziza won a third-term in office after the opposition boycotted the vote, a victory that leaves the east African nation politically divided and facing international isolation after months of unrest. Nkurunziza's decision to seek a third term had plunged Burundi into its biggest crisis since an ethnically charged civil war ended in 2005. (Photo by Mike Hutchings/Reuters)

This NASA's photo of Pluto was made from four images from New Horizons' Long Range Reconnaissance Imager (LORRI) combined with color data from the Ralph instrument in this enhanced color global view released on July 24, 2015. The images, taken when the spacecraft was 280,000 miles (450,000 kilometers) away, show features as small as 1.4 miles (2.2 kilometers). (Photo by Reuters/NASA/JHUAPL/SwRI)

A Saudi soldier stands guard at the international airport of Yemen's southern port city of Aden July 24, 2015. Two Saudi aircraft landed at Aden on Friday bringing equipment needed to re-open the city's airport four months after the Yemeni civil war shut it down, Saudi-owned Al Arabiya TV reported. (Photo by Faisal Al Nasser/Reuters)

Boys join Houthi followers as they demonstrate against Saudi-led air strikes in Yemen's capital Sanaa July 24, 2015. A Saudi-led coalition of Arab states has been bombing the Iranian-allied Houthi rebel movement and army forces loyal to former Yemeni president Ali Abdullah Saleh since late March in a bid to restore exiled President Abd-Rabbu Mansour Hadi to power. The banner reads “Allah is the greatest. Death to America. Death to Israel. A curse on the Jews. Victory to Islam”. (Photo by Khaled Abdullah/Reuters)

An Israeli soldier fires a tear gas canister towards Palestinian protesters during clashes following a protest against Jewish settlements in the West Bank village of Silwad, near Ramallah July 24, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian protester throws a stone at Israeli troops following a protest against Jewish settlements in the West Bank village of Silwad, near Ramallah July 24, 2015. (Photo by Mohamad Torokman/Reuters)

Policemen escort suspected drug trafficker Jairo Orellana as he is brought before the media, before being extradited to the U.S., at Aurora international airport in Guatemala City, Guatemala, July 24, 2015. Guatemalan suspected drug trafficker Orellana, linked to powerful Mexican cartels, was extradited Friday to the United States, on charges of conspiracy for the smuggling of drugs, local media reported. (Photo by Josue Decavele/Reuters)

People sunbathe near sand sculptures on the beach at the Polish Baltic Sea coast in Ostrowo, northern Poland, July 24, 2015. (Photo by Kacper Pempel/Reuters)

Demonstrators use a trash can as a barricade as they clash with riot police during protests against Monday's bomb attack in Suruc, in Istanbul, Turkey, July 24, 2015. (Photo by Yagiz Karahan/Reuters)

Plainclothes police officers detain demonstrators during protests against Monday's bomb attack in Suruc, in Istanbul, Turkey, July 24, 2015. (Photo by Yagiz Karahan/Reuters)

Kristin Chenoweth poses for photographers at a ceremony where she received a star on the “Hollywood Walk of Fame” in Los Angeles July 24, 2015. (Photo by Phil McCarten/Reuters)

A female boar and her piglets cross a street during the night in Gdynia, Poland early July 25, 2015. (Photo by Radu Sigheti/Reuters)

Angela Tenorio of Ecuador watches the posting of the scores following her semifinals of the women's 200 meter run at the Pan Am Games Thursday, July 23, 2015, in Toronto. Tenorio finished first in the race. (Photo by Mark Humphrey/AP Photo)

A Thai worker (L) hangs onto a hoisting cable as he and others prepare a statue of King Narai of Ayutthaya for transport from a casting factory in Lopburi province on July 24, 2015. The statue will be part of an installation at a park called Ratchapakdi in Hua Hin to honour past Thai monarchs. The park, under construction by the Thai army, honour's the country's royal institution and is located at a military compound near the Klai Kangwon Palace. (Photo by Pornchai Kittiwongsakul/AFP Photo)

General view of a beach covered with large amounts of seaweed in Puerto Morelos, Quintana Roo state, Mexico, 23 July 2015. The Mexican government has announced a temporary job program to clean Cancun and Riviera Maya beaches of this seaweed, which has started appearing about seven days ago. (Photo by Alonso Cupul/EPA)

A fire burns more than fifty hectares near Oimbra village in Ourense, northwestern Spain, 23 July 2015. Four helicopters, seven motor pumps and five squads are working to put the fire out. (Photo by Brais Lorenzo/EPA)

A diver swims above toilets from a wreck near the Yolanda Reef at Ras Mohammad, close to Sharm El Sheikh, Egypt, 23 July 2015. The famous dive site of the Ras Mohammed National Park contains the remains of the “Yolanda” wreck, which sank in the 1970s, leaving toilets and bath tubs on the sea bed. (Photo by Sergey Dolzhenko/EPA)

A United States Forces Korea 2nd Infantry Division soldier rappels during a training session at Camp Casey in Dongducheon, South Korea, Friday, July 24, 2015. About 200 U.S. soldiers from the 2nd Infantry Division located in South Korea took part in the 12-day course focused on combat assault operations involving U.S. Army rotary-wing aircraft. (Photo by Ahn Young-joon/AP Photo)

A Manchester City fan in the crowd shows his support during the International Champions Cup match between Real Madrid and Manchester City at the Melbourne Cricket Ground on July 24, 2015 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

In this February 3, 2003 file photo Russian President Vladimir Putin, left, shares a word with former Italian Prime Minister Silvio Berlusconi during their informal outdoor dinner at the Zavidovo Putin's residence, about 120 km (75 miles) northwest of Moscow. A boast by Berlusconi that his old friend Putin had offered to make him economy minister made headlines around the world this week. (Photo by ITAR-TASS, Presidential Press Service via AP Photo)

Houston Astros' Jose Altuve (27) gets dunked by Luis Valbuena (18) and Marwin Gonzalez, right, after hitting the game-winning home run in the ninth inning of a baseball game against the Boston Red Sox at Minute Maid Park on Thursday, July 23, 2015, in Houston. The Astros won 5-4. (Photo by Karen Warren/Houston Chronicle via AP Photo)

A United Launch Alliance Delta 4 rocket, carrying the seventh Wideband Global SATCOM military communications satellite, lifts off from launch complex 37 at the Cape Canaveral Air Force Station, Thursday, July 23, 2015, in Cape Canaveral, Fla. (Photo by John Raoux/AP Photo)