A taxi bus burns after a fight broke out between rival taxi unions fighting for permits in the city of Chilpancingo, Mexico, Monday, July 20, 2015. Several taxi drivers were injured and dozens of vehicles were destroyed. (Photo by Alejandrino Gonzalez/AP Photo)

A man is chased after rival taxi unions fighting for permits clashed in the city of Chilpancingo, Mexico, Monday, July 20, 2015. (Photo by Alejandrino Gonzalez/AP Photo)

Captured men lie face down and tied up after rival taxi unions fighting for permits clashed in the city of Chilpancingo, Mexico, Monday, July 20, 2015. (Photo by Alejandrino Gonzalez/AP Photo)

Men destroy a taxi after rival taxi unions fighting for permits clashed in the city of Chilpancingo, Mexico, Monday, July 20, 2015. (Photo by Alejandrino Gonzalez/AP Photo)

Masked men try to pull out a tax driver from his vehicle after rival taxi unions fighting for permits clashed in the city of Chilpancingo, Mexico, Monday, July 20, 2015. (Photo by Alejandrino Gonzalez/AP Photo)

Cars and motorcycles pass by a large pile of garbage on a Beirut street, Lebanon, Tuesday, July 21, 2015. Garbage piled up on the streets of Beirut amid a growing dispute over Lebanon's largest trash dump. (Photo by Hassan Ammar/AP Photo)

A homeless person sleeps back dropped by wallpaper of New York city on the windows of a casino near the main railway station during a police raid in Bucharest, Romania, Tuesday, July 21, 2015. Police in Romania have searched the capital's sewers in an anti-drug raid and detained dozens of people, mostly homeless, including the suspected ringleader, for questioning on suspicion of trafficking. (Photo by Vadim Ghirda/AP Photo)

Robbie Amell, left, and Italia Ricci are seen at the Just Jared Summer Party on Saturday, July 18, 2015, in Los Angeles, Calif. (Photo by Tonya Wise/Invision for Just Jared/AP Images)

Peyton List, left, and Spencer List attend the Just Jared Summer Party on Saturday, July 18, 2015, in Los Angeles, Calif. (Photo by Tonya Wise/Invision for Just Jared/AP Images)

In this image distributed on Monday, July 20, 2015, Kaili Thorne, and from left, Bella Thorne, and Olivia Grace are seen at the Just Jared Summer Party in Los Angeles. (Photo by Tonya Wise/Invision for Just Jared/AP Images)

Canada's Ryan Dodd sails through the air in the men's watersky jump preliminary round during the Pan Am Games in Toronto, Tuesday, July 21, 2015. Dodd finished in first place. (Photo by Nathan Denette/The Canadian Press via AP Photo)

Chile's Antonia Gonzalez competes in the women's watersky jump preliminary round during the Pan Am Games in Toronto, Tuesday, July 21, 2015. (Photo by Nathan Denette/The Canadian Press via AP Photo)

Venezuela's Juan Mendez competes in the men's wakeboard semifinal during the Pan Am Games in Toronto, Tuesday, July 21, 2015. (Photo by Nathan Denette/The Canadian Press via AP Photo)

Felipe Miranda of Chile skis between two geese during the men's slalom waterski preliminary round on Day 10 of the Toronto 2015 Pan Am Games on July 20, 2015 in Toronto, Canada. (Photo by Ezra Shaw/Getty Images)

Loaded Potato Skin, the iconic appetizer from TGI Fridays, announces his candidacy for President of the United States in front of Trump Tower, Tuesday, July 21, 2015 in New York. Mr. Potato Skin is the 16th candidate in an already crowded field, and while not affiliated with any political party, he knows how to party and is prepared to prove it. Mr. Potato Skin encourages supporters to visit www.skin4president.com and use #PotatoPOTUS and #PotatoInChief in social conversations. (Photo by Diane Bondareff/Invision for TGI Fridays/AP Images)

This photo provided by courtesy of Sony Pictures shows, Peter Dinklage, from left, as Eddie, Ashley Benson as Lady Lisa, and Josh Gad as Ludlow, on the streets of Washington, D.C. in Columbia Pictures' “Pixels”. The movie opens in U.S. theaters on July 24, 2015. (Photo by George Kraychyk/Sony Pictures via AP Photo)

A stuntman shows tricks on an inflatable tube during a press preview of the Zwarte Cross (Black Cross) festival in Lichtenvoorde, the Netherlands, 21 July 2015. The festival, featuring music and motorbikes, will be held from 25 to 26 July. (Photo by Sander Koning/EPA)

British singer Robbie Williams performs at the Paleo Festival in Nyon, Switzerland, July 20, 2015. (Photo by Denis Balibouse/Reuters)

A government employee of the Judiciary, dressed as Brazil's Dilma Rousseff, holds another employee dressed as the Statue of Justice during a protest asking for a wage Increase in front of the Planalto Palace in Brasilia July 20, 2015. (Photo by Ueslei Marcelino/Reuters)

People hold onto windows to avoid a bull during the “Toro de Cuerda” (Bull on Rope) festival in Grazalema, southern Spain, July 20, 2015. Three bulls restrained by a rope are allowed to run through the streets of the village during the annual festival. (Photo by Jon Nazca/Reuters)

A bull falls next to a runner during the “Toro de Cuerda” (Bull on Rope) festival in Grazalema, southern Spain, July 20, 2015. (Photo by Jon Nazca/Reuters)

People hold onto windows to avoid a bull during the “Toro de Cuerda” (Bull on Rope) festival in Grazalema, southern Spain, July 20, 2015. (Photo by Jon Nazca/Reuters)

An old residential building is seen surrounded by a newly-built ring viaduct, in Guangzhou, Guangdong province, China, June 18, 2015. The building was planned to be demolished, but several units in the building refused to move out as they couldn't reach a compensation agreement with the authority, local media reported. (Photo by Ma Qiang/Reuters/Southern Metropolis Daily)

The passenger side view of the 2016 Ford F-150 Limited is shown in this recent photo released by Ford Motor Company on July 20, 2015. Ford Motor Co on Tuesday will launch a new luxury version of its F-150 pickup truck that could command prices above $60,000, answering growing demand from U.S. consumers for trucks that could substitute for a higher end German sedan. (Photo by Reuters/Ford Motor Company)

The 2016 Ford F-150 Limited is shown in this recent photo released by Ford Motor Company on July 20, 2015. (Photo by Reuters/Ford Motor Company)

The center console of the 2016 Ford F-150 Limited is shown in this recent photo released by Ford Motor Company on July 20, 2015. (Photo by Reuters/Ford Motor Company)

The interior dash of the 2016 Ford F-150 Limited is shown in this recent photo released by Ford Motor Company on July 20, 2015. (Photo by Reuters/Ford Motor Company)

Participants test their robots playing musical instrument as they prepare for a competition during the RoboCup 2015, at an exhibition centre in Hefei, Anhui province, China, July 20, 2015. Over 2,000 people have registered to join the RoboCup in Hefei this year which will be held from July 19 to July 23, local media reported. (Photo by Reuters/Stringer)

A Honda Motor Co employee demonstrates the company's new Walking Assist Device, which for those with weakened leg muscles who are still able to walk, during its unveiling in Tokyo July 21, 2015. Honda announced the company will lease the Walking Assist Device to hospitals in Japan that provide rehabilitation training / physical therapy in the area of walking on November, 2015. (Photo by Toru Hanai/Reuters)

A worker carries a basket full of bananas unloaded from a motorcycle cab, which will be delivered to a nearby wet market, in Manila July 21, 2015. (Photo by Romeo Ranoco/Reuters)

Livestock breeders block access roads to the Mont Saint-Michel in the northwestern region of Normandy to protest against a squeeze in margins by retailers and food processors, July 21, 2015. The French President has said he would unveil an emergency package of measures to help France's livestock and dairy sector on Wednesday. Tuesday's announcement came as livestock farmers in tractors maintained a blockade of roads in northwestern France, keeping pressure on the government to take action over what they say is a squeeze in their margins by retailers and food processors. (Photo by Jacky Naegelen/Reuters)

Livestock breeders block a road to the Mont Saint-Michel (background) in the northwestern region of Normandy, France, to protest against a squeeze in margins by retailers and food processors, July 21, 2015. (Photo by Jacky Naegelen/Reuters)

Tourists walk with their luggage near Mont Saint-Michel in northwestern France on July 20, 2015 after their bus was forced to drop them off as protesting farmers blocked roads near the tourist spot. Hundreds of angry French farmers blocked roads across northern France, including access to Mont Saint-Michel, one of the country's top tourist spots, demanding higher milk and meat prices. (Photo by Charly Triballeau/AFP Photo)

Participants of the World Congress of Santa Clauses 2015 take part in the annual swim at Bellevue beach, north of Copenhagen, Denmark, July 21, 2015. (Photo by Erik Refner/Reuters/Scanpix Denmark)

Participants of the World Congress of Santa Clauses 2015 take part in the annual swim at Bellevue beach, north of Copenhagen, Denmark, July 21, 2015. (Photo by Erik Refner/Reuters/Scanpix Denmark)

Participants of the World Congress of Santa Clauses 2015 take part in the annual swim at Bellevue beach, north of Copenhagen, Denmark, July 21, 2015. (Photo by Erik Refner/Reuters/Scanpix Denmark)

Formula One drivers Jean-Eric Vergne (4thR) and Felipe Massa (C), friends and relatives gather around the coffin of late Marussia F1 driver Jules Bianchi during the funeral ceremony at the Sainte Reparate Cathedral in Nice, France, July 21, 2015. Bianchi, 25, died in hospital in Nice on Friday, nine months after his crash at Suzuka in Japan and without regaining consciousness. (Photo by Jean-Pierre Amet/Reuters)

A Swiss Air Force Super Puma helicopter collects water from the Lac de Joux in Le Brassus, Switzerland, July 21, 2015. Due to the drought in Vaud County, authorities have requested the help of the Swiss military to deliver water to cattle farmers for 16 days. (Photo by Denis Balibouse/Reuters)

A helicopter of the Swiss Army delivers water from a reservoir in the region of Marchairuz, Switzerland, Tuesday, July 21 2015. Soldiers have been ordered to help keep cows in the far west of the country cool amid a weeklong heat wave. (Photo by Jean-Christophe Bott/Keystone via AP Photo)

Ukraine's President Petro Poroshenko (L) inspects a military drill with the Secretary of the National Security and Defense Council of Ukraine Oleksandr Turchynov (2nd L), in the waters of the Black Sea in Mykolaiv region, Ukraine, July 21, 2015. (Photo by Mykola Lazarenko/Reuters/Ukrainian Presidential Press Service)

A policewoman tries to stop a member of the All India Mahila Congress, the women's wing of the Congress party, who was trying to cross over a barricade, during a protest against Indian Prime Minister Narendra Modi in New Delhi, India, July 21, 2015. India's parliament was adjourned on the first day of a new session after opposition lawmakers demanded the resignation of leaders tainted by corruption allegations, deepening an impasse that has stalled the government's reform agenda. Modi is under pressure from the opposition to fire his foreign minister and a state leader amid claims they gave favours to a sports tycoon living in London who faces allegations of tax evasion. (Photo by Adnan Abidi/Reuters)

Members the All India Mahila Congress, the women's wing of the Congress party, shout slogans during a protest against Indian Prime Minister Narendra Modi in New Delhi, India, July 21, 2015. (Photo by Adnan Abidi/Reuters)

Policewomen try to stop a member of the All India Mahila Congress, the women's wing of the Congress party, who was trying to cross over a barricade during a protest against Indian Prime Minister Narendra Modi in New Delhi, India, July 21, 2015. (Photo by Adnan Abidi/Reuters)

Protestors jeer police as they march through rock strewn streets in Bujumbura's Niyakabiga district on presidential election day in Burundi, July 21, 2015. A policeman and an opposition official died in violence marring the start of Burundi's presidential election, already hit by opposition boycotts and protests over President Pierre Nkurunziza's decision to run for a third term. (Photo by Mike Hutchings/Reuters)

Two participants wearing traditional dress attend the opening of the Summit of Conscience for the Climate in Paris, France, ahead of the COP21 summit July 21, 2015. Paris will host the World Climate Summit, called the COP21, from November 30 to December 11, 2015. (Photo by Etienne Laurent/Reuters)

British boxer Tyson Fury reacts during a news conference in Duesseldorf, Germany, July 21, 2015. Unbeaten British boxer Tyson Fury will get a shot at the world heavyweight title in October after agreeing terms for a meeting with champion Vladimir Klitschko. The 39-year-old Ukrainian's WBA, WBO, IBF and IBO crowns will be on the line when the pair meet in the German city of Duesseldorf October 24, 2015 in Duesseldorf. (Photo by Ina Fassbender/Reuters)

Ukrainian boxer Vladimir Klitschko and British boxer Tyson Fury (L) pose during a news conference in Duesseldorf, Germany July 21, 2015. Unbeaten Fury will get a shot at the world heavyweight title in October after agreeing terms for a meeting with champion Klitschko. (Photo by Ina Fassbender/Reuters)

Ukrainian heavyweight boxing world champion Vladimir Klitschko reacts during a news conference in Duesseldorf, Germany July 21, 2015. (Photo by Ina Fassbender/Reuters)

Relatives of victims who were killed in Monday's bomb attack in Suruc mourn over the coffins at a cemetery in Gaziantep, Turkey, July 21, 2015. Turkey's Prime Minister Ahmet Davutoglu rejected accusations Turkey had in the past tacitly supported Islamic State militants operating from Syria and unwittingly opened the door to a suicide bombing that killed at least 32 people. The blast on Monday tore through a group of university-aged students from an activist group as they gathered in the border town of Suruc ahead of a planned trip to help rebuild the nearby Syrian Kurdish town of Kobani. (Photo by Reuters/Stringer)

Armed men escort the coffins of victims who were killed in Monday's bomb attack in Suruc, as they arrive at Gazi Cemevi, an Alevi place of worship, in Istanbul, Turkey, July 21, 2015. (Photo by Huseyin Aldemir/Reuters)

Relatives and friends carry the coffin of a victim who was killed in Monday's bomb attack, during a funeral ceremony at a cemetery in Suruc, Turkey, July 21, 2015. (Photo by Reuters/Stringer)

Armed and masked leftist militants demonstrate during the funeral of Monday's explosion victims in Suruc, in Istanbul, Turkey, Tuesday, July 21, 2015. Authorities suspected the Islamic State group was behind an apparent suicide bombing Monday in Suruc in southeastern Turkey that killed tens of people and wounded nearly 100 – a development that could represent a major expansion by the extremists at a time when the government is stepping up efforts against them. (Photo by Cagdas Erdogan/AP Photo/Depo Photos)

Fireworks fired by protesters staging a rally to denounce the deaths of a Monday explosion in the Turkish town of Suruc near the Syrian border. explode over Turkish riot police officers, in Istanbul, Tuesday, July 21, 2015. (Photo by Lefteris Pitarakis/AP Photo)

A protester that tried with others to stage a march to denounce the deaths of a Monday explosion in the Turkish town of Suruc near the Syrian border, yells as he bleeds after being wounded while Turkish police were arresting him in Istanbul, Tuesday, July 21, 2015. (Photo by Lefteris Pitarakis/AP Photo)

Turkish police clash with protesters in Istanbul, Tuesday, July 21, 2015, that tried to stage a march to denounce the deaths of a Monday explosion in the Turkish town of Suruc near the Syrian border. (Photo by Lefteris Pitarakis/AP Photo)

Turkish police arrest a protester chanting slogans in Istanbul, Tuesday, July 21, 2015, that tried to stage a march with others to denounce the deaths of a Monday explosion in the Turkish town of Suruc near the Syrian border. (Photo by Lefteris Pitarakis/AP Photo)

A boy holding a toy rifle stands at the site of a car bomb attack in Yemen's capital Sanaa July 21, 2015. Islamic State's Yemen branch claimed responsibility for a car blast outside a mosque used by the Houthi group on Monday that police sources and medics said killed five people and wounded seven others. (Photo by Khaled Abdullah/Reuters)

Scientists weigh elephant tusks recovered from various operations at the Kenya Wildlife Services (KWS) headquarters in Kenya's capital Nairobi, July 21, 2015, during the commissioning of the inventory exercise of the national elephant ivory and rhino horn stockpile. The Kenya Wildlife Service (KWS) undertakes an annual audit of the government’s trophy stockpile, according to the KWS. (Photo by Thomas Mukoya/Reuters)

Elephant tusks recovered from various operations are arranged at the Kenya Wildlife Services (KWS) headquarters in Kenya's capital Nairobi, July 21, 2015, during the commissioning of the inventory exercise of the national elephant ivory and rhino horn stockpile. (Photo by Thomas Mukoya/Reuters)

Kenya's Cabinet Secretary Ministry of Environment and Natural Resources Judi Wakhungu touches elephant tusks recovered from various operations at the Kenya Wildlife Services (KWS) headquarters in the capital Nairobi, July 21, 2015, during the commissioning of the inventory exercise of the national elephant ivory and rhino horn stockpile. (Photo by Thomas Mukoya/Reuters)

Polled Hereford breed bulls are led into a corral ahead of the 129th annual Argentine Rural Society's Palermo livestock and agriculture camp exhibition, which includes an extensive range of cattle, farm animals and machinery in Buenos Aires, Argentina July 21, 2015. (Photo by Enrique Marcarian/Reuters)

A veterinarian checks a Polled Hereford breed bull ahead of the 129th annual Argentine Rural Society's Palermo livestock and agriculture camp exhibition, which includes an extensive range of cattle, farm animals and machinery in Buenos Aires, Argentina, July 21, 2015. (Photo by Enrique Marcarian/Reuters)

An Aberdeen Angus breed bull is led into a corral ahead of the 129th annual Argentine Rural Society's Palermo livestock and agriculture camp exhibition, which include an extensive range of cattle, farm animals and machinery in Buenos Aires, Argentina, July 21, 2015. (Photo by Enrique Marcarian/Reuters)

The International Space Station (ISS) crew member Oleg Kononenko of Russia interacts with his children as he stands behind a glass wall at a news conference at the Baikonur cosmodrome in Baikonur, Kazakhstan, July 21, 2015. The crew is scheduled to travel on board the Soyuz spacecraft on July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

A soldier wearing personal protective equipment rides past Belgium's King Philippe and Queen Mathilde (R) during the traditional military parade in front of the Royal Palace in Brussels July 21, 2015. Belgium celebrates its National Day on Tuesday. (Photo by Francois Lenoir/Reuters)

Belgium's King Philippe (R) and Queen Mathilde (2nd R) watch the traditional military parade with their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel (front row, L-3rd R) in front of the Royal Palace in Brussels July 21, 2015. (Photo by Francois Lenoir/Reuters)

A member of the Belgian special forces aims his weapon while Belgium's King Philippe and Queen Mathilde leave a religious service (Te Deum) at the Sainte-Gudule cathedral in Brussels July 21, 2015. (Photo by Francois Lenoir/Reuters)

A employee handles the new R240 electric engine by French carmaker Renault for their Zoe model automobile at their factory in Cleon, Western France, July 20, 2015. The Renault plant constructs the R240 electrical car engine, with an autonomy of 240 kilometres, for its Zoe line of automobiles. The plant has a current production capacity of 50,000 engines that can be increased to 100,000 units. (Photo by Philippe Wojazer/Reuters)

Riot policemen walk at Murillo square during a protest by Potosi miners (not pictured) in La Paz, Bolivia July 21, 2015. Miners from the southern Bolivian department of Potosi have been on strike for more than two weeks. They are demanding that President Evo Morales fulfill promises to build infrastructure and create jobs in their region. (Photo by David Mercado/Reuters)

A Potosi mine worker attends a protest march in La Paz, July 20, 2015. Hundreds of demonstrators from Potosi demanded to have a meeting with President Evo Morales to discuss about the industrialization of their region on the eighth day of their protest in La Paz, according to local media. (Photo by David Mercado/Reuters)

A woman walks in front of Bolivia's presidential palace as a riot police truck is seen in La Paz, July 20, 2015. (Photo by David Mercado/Reuters)

Riot police officers help an elderly woman at Murillo square during a protest by Potosi miners (not pictured) in La Paz, Bolivia July 21, 2015. (Photo by David Mercado/Reuters)

Craftsmen adjust Italian artist Benvenuto Tisi's (or Il Garofalo) painting Ascension of Christ, which has been under restoration for two years, in the Art History Museum (Kunsthistorisches Museum Wien) in Vienna, Austria, July 21, 2015. The paining dated 1520 will be on exhibition in the museum's picture gallery. (Photo by Leonhard Foeger/Reuters)

Members of the far-right radical group Right Sector and their supporters shout slogans as they attend an anti-government rally in Kiev, Ukraine, July 21, 2015. The inscription on the t-shirt reads “God with us, and a Kalashnikov machine gun”. (Photo by Gleb Garanich/Reuters)

A woman with her dog attends an anti-government rally of members of the far-right radical group Right Sector in Kiev, Ukraine, July 21, 2015. (Photo by Gleb Garanich/Reuters)

Members of the far-right radical group Right Sector and their supporters hold an anti-government rally in Kiev, Ukraine, July 21, 2015. (Photo by Gleb Garanich/Reuters)

French-made Rafale fighter jets fly near Cairo Tower in central Cairo, Egypt, July 21, 2015. Dassault Aviation is raising Rafale fighter jet production in anticipation of further export orders, Chief Executive Eric Trappier said on Monday, as Egypt became the first country outside France to take delivery of the plane. (Photo by Reuters/Stringer)

A picture taken from the 24th floor of a building in down town Cairo, shows three French made Rafale fighter jets (front) flying with other Egyptian air force warplanes above the great pyramids in Giza, on the outskirts of the Egyptian capital, on July 21, 2015. Egypt took delivery of three Rafale fighter jets from France, the first of 24 warplanes sold in a 5.2 billion euro ($5.6 billion) deal earlier this year. (Photo by Khaled Desouki/AFP Photo)

A man plays inside a giant plastic ball, called Zorb on the Vltava river as temperatures hovered over 34 degrees Celsius (93 degrees Fahrenheit) in Prague, Czech Republic, July 21, 2015. (Photo by David W. Cerny/Reuters)

A health worker carries out fumigation to help control the spread of Chikungunya and dengue fever, which are caused by viruses carried by mosquitoes, at a neighbourhood in Tegucigalpa, Honduras, July 21, 2015. The Honduran Ministry of Health is conducting fumigations in some areas of the capital to clean up and control an outbreak of chikungunya, which has reported more than 50,000 cases since beginning of the year, local media reported. (Photo by Jorge Cabrera/Reuters)

U.S. President Barack Obama makes an appearance on The Daily Show with Jon Stewart in New York July 21, 2015. (Photo by Kevin Lamarque/Reuters)

Members of the Franciscan fraternity “O Caminho” (The Way), shave a homeless man in front of Se Cathedral in downtown Sao Paulo July 21, 2015. Sao Paulo, South America's largest city, has an estimated 16,000 homeless people according to the Town hall. “O Caminho” are a group of Franciscan monks and nuns who help the homeless. (Photo by Nacho Doce/Reuters)

People wearing Star Wars-themed costumes eat pretzels in San Francisco, California July 21, 2015. (Photo by Robert Galbraith/Reuters)

A crop circle in a wheat field near Alling, Germany, 21 July 2015. According to the Germering police, the circle appeared last week. (Photo by Sven Hoppe/EPA)

Los Angeles Angels' Albert Pujols is doused with liquid by teammate Mike Trout after the Angels' 7-3 win over the Boston Red Sox in the second baseball game in a doubleheader, Monday, July 20, 2015, in Anaheim, Calif. (Photo by Jae C. Hong/AP Photo)

A Class 800 Intercity Express train railcar, manufactured by Hitachi Ltd., sits as it waits to be loaded onto a roll-on/roll-off (RORO) transporter vessel for shipment at the Port of Tokuyama-Kudamatsu in Kudamatsu, Yamaguchi Prefecture, Japan, on Tuesday, July 21, 2015. Capable of 125 miles an hour, the new Class 800 model will enter service in 2017 on the Great Western route and 2018 on the East Coast line. (Photo by Kiyoshi Ota/Bloomberg)

An Indian man wades through a flooded street with a child in Jammu, India, Tuesday, July 21, 2015. Vehicular movement on the 300 kilometers (186 miles) long Jammu-Srinagar national highway was thrown open on Sunday following heavy rainfall in the state, according to local reports. (Photo by Channi Anand/AP Photo)

Camouflaged Kosovo police special units take part in a crowd and riot control exercise in the village of Vrello on Tuesday, July 21, 2015. Kosovo police have set several priorities including fight against radical Islam and terrorism. (Photo by Visar Kryeziu/AP Photo)

People cross themselves as they leave the Church of the Kazan Mother of God in Red Square after a religion service in honor of the Kazan Icon of the Mother of God in Moscow, Russia, Tuesday, July 21, 2015, with the Kremlin Wall and Spasskaya Tower are in the background. (Photo by Alexander Zemlianichenko/AP Photo)

Renowned aerobatic pilots Sean D. Tucker, flying the Oracle Challenger III, and Jeff Boerboon, flying the Jack Link's Screamin' Sasquatch, take to the skies over EAA's 2015 AirVenture Oshkosh, on Monday, July 20, 2015 in Oshkosh, Wis. More than 500,000 people will attend the world's largest air show in Wisconsin this week. (Photo by Matt Ludtke/AP Images for Jack Link's)

Bottlenose dolphins swim over visitors in water tank at the Hakkeijima Sea Paradise aquarium-amusement park complex in Yokohama, southwest of Tokyo, Tuesday, July 21, 2015. Temperatures in Tokyo's metropolitan area neared around 96 degree Fahrenheit, or 35 degree Celsius, on Tuesday. (Photo by Shuji Kajiyama/AP Photo)