Taylor Pischke, of Canada, makes a dig during a quarter-final women's beach volleyball match against Costa Rica at the Pan Am Games in Toronto, Saturday, July 18, 2015. Canada defeated Costa Rica in straight sets. (Photo by Darren Calabrese/The Canadian Press via AP Photo)

Canada's Melissa Humana-Paredes serves during quarter-final women's beach volleyball action against Costa Rica at the 2015 Pan Am Games in Toronto, Saturday, July 18, 2015. (Photo by Darren Calabrese/The Canadian Press via AP Photo)

Carleigh VanMeter, 2, right, checks with friend McKenna Zollman, 2, as they show their hogs at the Vanderburgh County Fair in Evansville, In., Sunday morning, July 19, 2015. (Photo by Darrin Phegley/Courier & Press via AP Photo)

Carter Gamblin, left, 6, and Lauren Gamblin, 4, both from Arlington, Va., pose with Star Wars characters on Star Wars day before a baseball game between the Washington Nationals and the Los Angeles Dodgers at Nationals Park, Sunday, July 19, 2015, in Washington. (Photo by Alex Brandon/AP Photo)

Star Wars characters are in full costume on Star Wars day before a baseball game between the Washington Nationals and the Los Angeles Dodgers at Nationals Park, Sunday, July 19, 2015, in Washington. (Photo by Alex Brandon/AP Photo)

Fans pose with Star Wars characters on Star Wars day before a baseball game between the Washington Nationals and the Los Angeles Dodgers at Nationals Park, Sunday, July 19, 2015, in Washington. (Photo by Alex Brandon/AP Photo)

A Yemeni man carrying his daughter looks at a building destroyed during fighting against Houthi fighters in the port city of Aden, Yemen, Sunday, July 19, 2015. Shiite rebels and their allies in Yemen randomly shelled a town Sunday outside of Aden after losing control of some the port city's neighborhoods, killing at least 45 people and wounding 120, officials said. (Photo by Ahmed Sameer/AP Photo)

Jamaica forward Giles Barnes (9) celebrates his goal against Haiti during the first half of a CONCACAF Gold Cup soccer quarterfinal match, Saturday, July 18, 2015, in Baltimore. (Photo by Nick Wass/AP Photo)

Models pose during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

Designer Mara Hoffman, third from left, positions her models before the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

A model poses during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

Models pose during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

A model poses during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

A model poses during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

Models pose during the Mara Hoffman swimwear show at Casa Casuarina as part of Funkshion Fashion Week Swim, Saturday, July 18, 2015, in Miami Beach, Fla. (Photo by Lynne Sladky/AP Photo)

A horse rider, dressed in traditional costume, marks Eid al-Fitr in Benghazi, Libya, July 18, 2015. (Photo by Esam Omran Al-Fetori/Reuters)

A supporter of the Ku Klux Klan is seen with his tattoos during a rally at the statehouse in Columbia, South Carolina July 18, 2015. (Photo by Chris Keane/Reuters)

People light candles during a vigil for those who they say died due to the lack of medical assistance, in Tegucigalpa July 18, 2015. Thousands of protesters have been continuing demonstrations in Tegucigalpa, calling for the resignation of Honduran President over a $200 million corruption scandal at the Honduran Institute of Social Security. The candles are arranged to show, “More than 3,000 people dead”. (Photo by Jorge Cabrera/Reuters)

Argentinian actress Eugenia Suarez poses during a photocall after her arrival at the second Premios Platino Ibero-American Film Awards in Marbella, southern Spain, July 18, 2015. Picture taken July 18, 2015. (Photo by Jon Nazca/Reuters)

Panamanian actress Patricia de Leon poses during a photocall after her arrival at the second Premios Platino Ibero-American Film Awards in Marbella, southern Spain, July 18, 2015. Picture taken July 18, 2015. (Photo by Jon Nazca/Reuters)

Peruvian actress Stephanie Cayo poses during a photocall after her arrival at the second Premios Platino Ibero-American Film Awards in Marbella, southern Spain, July 18, 2015. Picture taken July 18, 2015. (Photo by Jon Nazca/Reuters)

Protesters dressed in costume and carrying Australian flags attend a “Reclaim Australia” protest in central Sydney, Australia, July 19, 2015. Anti-racist and nationalist protesters held demonstrations in several Australian cities and towns on Sunday, with the two sides being seperated by police, local media reported. (Photo by Baris Atayman/Reuters)

Thousands of health enthusiasts dance to high tempo music as they participate in a Guinness World Records attempt for the largest Zumba class held along the main streets of Mandaluyong city, metro Manila July 19, 2015. Mandaluyong city achieved the Guinness World Records for the largest Zumba class with an official tally of 12, 975 people simultaneously doing Zumba, overthrowing Cebu City's record of 8,232 people held in October 2014, a Guinness World Records official said. (Photo by /Lorgina MinguitoReuters)

Thousands of health enthusiasts dance to high tempo music as they participate in a Guinness World Records attempt for the largest Zumba class held along the main streets of Mandaluyong city, metro Manila, July 19, 2015. (Photo by Lorgina Minguito/Reuters)

People hold General Aung San's portrait as they wait to pay respect during an event marking the anniversary of Martyrs' Day outside the Martyrs' Mausoleum in Yangon July 19, 2015. Myanmar celebrates the 68th anniversary of Martyr's Day on Sunday to commemorate the assassination of the fallen independence heroes, including General Aung San, one of the most revered figures and the father of Myanmar's pro-democracy leader Aung San Suu Kyi. (Photo by Soe Zeya Tun/Reuters)

Myanmar's pro-democracy leader Aung San Suu Kyi prays as she attends an event marking the anniversary of Martyrs' Day at the Martyrs' Mausoleum in Yangon July 19, 2015. (Photo by Soe Zeya Tun/Reuters)

Palestinians inspect a car after it was blown up in Gaza City July 19, 2015. The spokesman for Gaza's interior ministry said that a number of cars belonging to Palestinian factions were blown up by vandals and the security services started to investigate the incident. (Photo by Suhaib Salem/Reuters)

People watch as contestants wrestle during ethnic minorities traditional games, to celebrate Eid al-Fitr, in Hami, Xinjiang Uighur Autonomous Region, China, July 19, 2015. (Photo by Reuters/China Daily)

Observers take pictures as an extreme cycling enthusiast (R) performs a stunt with a bicycle before falling into the East Lake in Wuhan, Hubei province, China, July 18, 2015. This activity, requesting participants to ride their bikes and jump into the lake, attracts many extreme cycling enthusiasts from the city, local media reported. (Photo by Reuters/China Daily)

A hole on the side of Stena Line passenger ferry Stena Jutlandica is being inspected in the harbour of Gothenburg, Sweden, July 19, 2015. The ferry collided early Sunday morning with a tanker off the island of Vinga outside Gothenburg. The ferry was taking in water but managed to reach the harbour without any assistance. The tanker was carrying 12,000 tons of diesel and petrol but there are no reports of any oil leakage. The cause of the accident is being investigated. (Photo by Adam Ihse/Reuters/TT News Agency)

A hole is seen on the side of Stena Line passenger ferry Stena Jutlandica in the harbour of Gothenburg, Sweden, July 19, 2015. (Photo by Adam Ihse/Reuters/TT News Agency)

Tourists reacts during white water rafting inside a creek at a resort in Xiuning county, Anhui province, China, July 18, 2015. (Photo by Reuters/Stringer)

A robot falls as others compete in a soccer match at the RoboCup 2015, at an exhibition centre in Hefei, Anhui province, China, July 19, 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 participant tests a robot soccer player before a competition at the RoboCup 2015, at an exhibition centre in Hefei, Anhui province, China, July 19, 2015. (Photo by Reuters/Stringer)

Swimmers make their way on an algae-covered beach in Qingdao, Shandong province, China, July 19, 2015. (Photo by Reuters/Stringer)

A man looks away as a child plays on a algae-covered beach in Rizhao, Shandong province, China, July 18, 2015. (Photo by Reuters/Stringer)

People make their way on an algae-covered beach in Qingdao, Shandong province, China, July 19, 2015. (Photo by Reuters/Stringer)

Women smear each other with mineral-rich blue mud on the bank of Tus lake in Khakassia region, southwest of the Siberian city of Krasnoyarsk, Russia, July 18, 2015. During the summer, Russians from different regions travel to lake Tus, famed for the curative properties of its black and blue sediments, to bathe in the salty water and smear themselves with mud. (Photo by Ilya Naymushin/Reuters)

A woman and a child covered with mineral-rich black mud go for a swim in the waters of Tus lake in Khakassia region, southwest of the Siberian city of Krasnoyarsk, Russia, July 18, 2015. (Photo by Ilya Naymushin/Reuters)

A woman reads a magazine as she floats in the salt waters of Tus lake in Khakassia region, southwest of the Siberian city of Krasnoyarsk, Russia, July 18, 2015. (Photo by Ilya Naymushin/Reuters)

A woman covered with mineral-rich blue mud walks on the bank of Tus lake in Khakassia region, southwest of the Siberian city of Krasnoyarsk, Russia, July 18, 2015. (Photo by Ilya Naymushin/Reuters)

Tennis, Great Britain vs France – Davis Cup World Group Quarter Final, Queen's Club, London on July 19, 2015: a Great Britain fan. (Photo by Andrew Boyers/Reuters/Action Images)

Relatives mourn the death of their relative who died when a building collapsed in New Delhi, India, July 19, 2015. Five people were killed and seven injured when a five-storey building collapsed in New Delhi on Saturday night, police and local media reported. (Photo by Adnan Abidi/Reuters)

Onlookers stand at the site of a collapsed building in New Delhi, India, July 19, 2015. (Photo by Adnan Abidi/Reuters)

A woman mourns the death of her relative following a building collapse in New Delhi, India, July 19, 2015. (Photo by Adnan Abidi/Reuters)

People relax at the public swimming pool of Schoenbrunner Bad on a sunny day in Vienna, Austria, July 19, 2015. Temperatures rose up to more than 37 degrees Celsius (98 Fahrenheit) in parts of Austria this weekend, Austria's national weather service agency ZAMG reported. (Photo by Leonhard Foeger/Reuters)

Sri Lanka's Special Task Force soldiers walk towards Pakistan's cricket team's dressing room after the team walked off field after a clash between supporters of the two sides during their third One Day International cricket match against Sri Lanka in Colombo July 19, 2015. (Photo by Dinuka Liyanawatte/Reuters)

Russia's Dmitry Rigin (L) falls down as he competes against Italy's Daniele Garozzo during their men's team foil final at the World Fencing Championships in Moscow, Russia, July 19, 2015. (Photo by Grigory Dukor/Reuters)

Italy's team members celebrate their victory over team Russia in their women's team foil final at the World Fencing Championships in Moscow, Russia, July 19, 2015. (Photo by Grigory Dukor/Reuters)

Italy's Arianna Errigo (L) celebrates the victory over team Russia, beside Russia's Larisa Korobeynikova, in their women's team foil final at the World Fencing Championships in Moscow, Russia, July 19, 2015. (Photo by Grigory Dukor/Reuters)

Italy's Elisa Di Francisca, Arianna Errigo, Martina Batini and Valentina Vezzali (L-R) greet Russia's team before their women's team foil final at the World Fencing Championships in Moscow, Russia, July 19, 2015. (Photo by Grigory Dukor/Reuters)

Supporters of the Cambodian National Rescue Party (CNRP) arrive at a Cambodia-Vietnam border during a visit led by the party in Svay Rieng province July 19, 2015. Lawmakers from Cambodia's opposition party led around 2,000 people on Sunday to a Vietnam border site that was the scene of recent clashes. Members of the opposition CNRP are known for protesting against close ties between Phnom Penh and Hanoi, and have organised protests along the 1,270 km (about 789 miles) border in the past. The border is not fully demarcated and has caused confusion in the past. (Photo by Samrang Pring/Reuters)

Supporters of the Cambodian National Rescue Party (CNRP), carrying the Cambodian national flag, arrive at a Cambodia-Vietnam border during a visit led by the party in Svay Rieng province July 19, 2015. (Photo by Samrang Pring/Reuters)

Supporters of the Cambodian National Rescue Party (CNRP) arrive at a Cambodia-Vietnam border during a visit led by the party in Svay Rieng province July 19, 2015. (Photo by Samrang Pring/Reuters)

Cambodian police officers stand guard as Vietnamese people wave their national flags across them at the Cambodia-Vietnam border during a visit led by the Opposition Cambodia National Rescue Party (CNRP), in Svay Rieng province July 19, 2015. (Photo by Samrang Pring/Reuters)

Former French president and head of the conservative Les Republicains political party Nicolas Sarkozy leaves the podium during a meeting organized by young party members in Nice, July 19, 2015. (Photo by Jean-Pierre Amet/Reuters)

A boy walks on a street littered with cooking gas cylinders after a fire and explosions destroyed a nearby gas storage during clashes between fighters of the Popular Resistance Committees and Houthi fighters earlier today, in Yemen's southwestern city of Taiz July 19, 2015. (Photo by Reuters/Stringer)

Members of the self-proclaimed Donetsk People's Republic forces walk past an armoured personnel carrier (APC) outside the village of Novolaspa in Donetsk region, Ukraine, July 19, 2015. The Donetsk People's Republic (DNR) and Lugansk People's Republic (LNR) announced a unilateral withdrawal of smaller weapons under 100mm calibre from the front line, according to local media. (Photo by Alexander Ermochenko/Reuters)

Members of the Organisation for Security and Co-operation in Europe (OSCE) walk past an armoured personnel carrier (APC) of the self-proclaimed Donetsk People's Republic forces outside the village of Novolaspa in Donetsk region, Ukraine, July 19, 2015. (Photo by Alexander Ermochenko/Reuters)

Mick Fanning of Australia is attacked by a shark during the finals of the J-Bay Open in Jeffrey's Bay, South Africa, in this July 19, 2015 handout courtesy of World Surf League. Australia's triple champion Mick Fanning survived a shark attack in Sunday's final of the World Surf League's J-Bay Open, fighting off the circling predator with his fists before returning safely to shore. Fanning was paddling out to ride his first wave when the unidentified species of shark surfaced next to him, knocking the 34-year-old off his board. (Photo by Reuters/World Surf League)

Mick Fanning of Australia is seen shortly before being attacked by a shark during the finals of the J-Bay Open in Jeffrey's Bay, South Africa, in this July 19, 2015 handout courtesy of World Surf League. (Photo by Reuters/World Surf League)

In this screen shot taken from video made available by the World Surf League, Australian surfer Mick Flanning is pursued by a shark, in Jeffrey's Bay, South Africa, Sunday, July 19, 2015. Knocked off his board by an attacking shark, a surfer punched the creature during the televised finals of a world surfing competition in South Africa before escaping. Fanning was attacked by a shark on Sunday during the JBay Open but escaped without injuries. (Photo by World Surf League via AP Photo)

In this screen shot taken from video made available by the World Surf League, Australian surfer Mick Flanning sits on board a rescue boat after being pursued by a shark, in Jeffrey's Bay, South Africa, Sunday, July 19, 2015. (Photo by World Surf League via AP Photo)

Sheep graze in front of wind turbines that are part of the Infigen Energy's Capital Windfarm located on the hills surrounding Lake George, near the Australian capital city of Canberra, Australia, July 17, 2015. Australian Prime Minister Tony Abbott's hostility to “visually awful” wind farms has sent a chill through the industry and could jeopardize the country's biggest renewable energy project, a $2 billion-plus wind and solar plant in the country's north. In an early sign that a new Federal policy could curtail major renewable projects, the company planning to build the 1,200-megawatt plant said it may struggle to attract financing after the government blocked state support for wind farms. (Photo by David Gray/Reuters)

A kangaroo hops over a field covered in a thick blanket of frost during a seasonal cold snap outside Canberra, Australia, Sunday, July 19, 2015. (Photo by Rob Griffith/AP Photo)

Rut Castillo, of Mexico, performs in the rhythmic gymnastics competition at the Pan Am Games Sunday, July 19, 2015, in Toronto. (Photo by Mark Humphrey/AP Photo)

Kids throw water at each other as they try to refresh themselves on a hot day in Hajvali 15 km (12 miles) from capital Pristina on Sunday, July 19, 2015. Europe's heat wave has pushed the mercury to levels as high as 40 degrees Celsius, 104 fahrenheit. (Photo by Visar Kryeziu/AP Photo)

Officials photographers work on the pack of riders during the 15th stage of the 102nd edition of the Tour de France 2015 cycling race over 183 km between Mende and Valence, France, 19 July 2015. (Photo by Sebastien Nogier/EPA)

Workers prepare to dismantle Soviet era statues from the Green Bridge over the Neris river in Vilnius, Lithuania, Sunday July 19, 2015. Statues depicting Red Army soldiers, workers, students and peasants were erected on the historic Green Bridge over the River Neris in 1952, 12 years after the Soviet Union occupied Lithuania and its Baltic neighbors, Latvia and Estonia. (Photo by Mindaugas Kulbis/AP Photo)

A worshipper of Lord Krishna pushes a pram during the annual Krishna Valley Festival in Somogyvamos, some 190 kms south of Budapest, Hungary, 19 July 2015. (Photo by Gyorgy Varga/EPA)

Lilly, right, runs past a competitor to win the 2015 Ellis Park Wiener Dog Derby Champion, Saturday, July 18, 2015, in Henderson, Ky. (Photo by Mike Lawrence/Courier & Press via AP Photo)

A member of a medieval knights historical club performs during a festival in St.Petersburg, Russia, Sunday, July 19, 2015. (Photo by Dmitry Lovetsky/AP Photo)

Members of medieval knights historical clubs fight during a festival on the activity in St.Petersburg, Russia, Sunday, July 19, 2015. (Photo by Dmitry Lovetsky/AP Photo)

Members of medieval knights historical clubs are reflected in the water as they walk to the venue during a historical festival in St.Petersburg, Russia, Sunday, July 19, 2015. (Photo by Dmitry Lovetsky/AP Photo)

Members of medieval knight shistorical clubs fight during a festival in St.Petersburg, Russia, Sunday, July 19, 2015. (Photo by Dmitry Lovetsky/AP Photo)

A woman poses for a photo at the throne with actors dressed as persona from a “Game of Thrones”, a fantasy drama television series, during a historical festival in St.Petersburg, Russia, Sunday, July 19, 2015. (Photo by Dmitry Lovetsky/AP Photo)

In this Thursday, July 16, 2015 photo, Colleene Rowley works on a hip piece for a sauropod at Research Casting International in Trenton, Ontario. Research Casting International makes dinosaurs casts for many museums around the world. (Photo by Lars Hagberg/The Canadian Press via AP Photo)

A participant in the “Somos Gay” march, or We're Gay march, shades her face from the sun with a fan in Asuncion, Paraguay, Saturday, July 18, 2015. The LGBT community marched in support of equality under the law for same s*x marriage. (Photo by Jorge Saenz/AP Photo)

Pakistanis give money to an elephant named Suzi as they visit a zoo to celebrate Eid al-Fitr holidays in Lahore, Pakistan, Sunday, July 19, 2015. The three-day holidays of Eid al-Fitr marks the end of the holy fasting month of Ramadan. (Photo by K. M. Chaudary/AP Photo)

Civilians inspect the aftermath of a suicide car bombing at a busy market in Khan Bani Saad in the Diyala province, about 20 miles (30 kilometers) northeast of Baghdad, Iraq, Saturday, July 18, 2015. A suicide car bombing in Iraq's eastern Diyala province killed at least 80 people gathered at a marketplace to mark the end of the holy month of Ramadan on Friday. (Photo by Karim Kadim/AP Photo)

This handout photo received from Red Bull and taken on July 18, 2015 shows Jonathan Paredes of Mexico diving from the 27 metre platform during the fifth stop of the Red Bull Cliff Diving World Series at Islet Franco do Campo, Azores, Portugal. Gary Hunt of the UK won his fifth straight event of the year to take a commanding lead in the series. (Photo by Romina Amato/AFP Photo/Red Bull)

South African designer Suzaan Heyns makes final adjustments on an outfit worn by a model moments before her show at the MODAAFRICA, African fashion week in Lisbon, Sunday, July 19 2015. (Photo by Armando Franca/AP Photo)

A model gets makeup applied on her eyelashes before going on the catwalk during the MODAAFRICA, African fashion week, in Lisbon, Saturday night, July 18 2015. (Photo by Armando Franca/AP Photo)

South African designer Suzaan Heyns makes final adjustments on an outfit worn by a model moments before her show at the MODAAFRICA, African fashion week in Lisbon, Sunday, July 19 2015. (Photo by Armando Franca/AP Photo)

A model wears an outfit by South African designer Suzaan Heyns during her show at the MODAAFRICA, African fashion week in Lisbon, Sunday, July 19 2015. (Photo by Armando Franca/AP Photo)

Models wearing the creations of South African designer Suzaan Heyns get ready to go on the catwalk at the MODAAFRICA, African fashion week in Lisbon, Sunday, July 19 2015. (Photo by Armando Franca/AP Photo)

People take part in a colour battle organised by the Artonik company during a street theater festival in Mulhouse on July 18, 2015. (Photo by Sebastien Bozon/AFP Photo)