Pakistani youths cool themselve at the Clifton beach during heatwave in Karachi on June 27, 2015. More than 1,000 people have died as a result of days of scorching temperatures in southern Pakistan, with the sprawling metropolis Karachi the worst-affected city. (Photo by Asif Hassan/AFP Photo)

Nigerian masks from the 1950's are displayed with costumes to create a “masquerade parade” as part of the the show “Disguise: Masks & Global African Art” at the Seattle Art Museum, Sunday, June 28, 2015, in Seattle. Race, identity and the masks people wear are the themes explored in the new exhibit of contemporary, multimedia art, which showcases masks from the museum's collection alongside contemporary art, much of it created just for this show by African artists and those of African descent. The show will be traveling to Los Angeles and New York after Seattle. (Photo by Elaine Thompson/AP Photo)

A hyena mask is displayed as part of the the show “Disguise: Masks & Global African Art” at the Seattle Art Museum, Sunday, June 28, 2015, in Seattle. (Photo by Elaine Thompson/AP Photo)

Nigerian masks from the 1950's are displayed with costumes to create a "masquerade parade" as part of the the show “Disguise: Masks & Global African Art” at the Seattle Art Museum on Sunday, June 28, 2015. (Photo by Elaine Thompson/AP Photo)

Police who were passing by stop briefly to get information about a body lying amidst trash on the street, in central Port-au-Prince, Haiti, Sunday, June 28, 2015. Neighborhood residents said the young man had been intoxicated and collapsed nearby. With no one able to identify him, residents carried his body to a trash pile along the main road. (Photo by Rebecca Blackwell/AP Photo)

United Nations peacekeepers drive past a body lying amidst trash on the street, in central Port-au-Prince, Haiti, Sunday, June 28, 2015. (Photo by Rebecca Blackwell/AP Photo)

A Venezuelan National Guard soldier provides information to voters at a poll station during the ruling party's primary elections in Caracas, Venezuela, Sunday, June 28, 2015. The PSUV, United Socialist Party of Venezuela held nationwide primaries today to select candidates for the upcoming December legislative elections. (Photo by Ariana Cubillos/AP Photo)

Revelers in costume march in the gay pride parade in Bogota, Colombia, Sunday, June 28, 2015. Thousands paraded through the streets of Bogota and called for a law granting social security and matrimonial rights for gay couples. (Photo by Fernando Vergara/AP Photo)

Honor guards change their shift during a civil funeral of former Russian Prime Minister Yevgeny Primakov, in Moscow's House of Unions, Russia, Monday, June 29, 2015. Primakov, a former prime minister who also served as Russia's top diplomat and foreign intelligence chief during a long and distinguished career died last week at 85, lay in state in the House of the Unions, a columned building in Moscow where the state funerals of Vladimir Lenin, Josef Stalin and other Soviet leaders also were held. (Photo by Alexander Zemlianichenko/AP Photo)

In this Saturday, June 27, 2015 photo, one of the teenagers who was swept over the spillway at the Lake Linganore dam has a line thrown to her by nearby rescuers near New Market, Md. Eight people were rescued from the water and there was 1 fatality. An autopsy has concluded the operator of a pontoon boat that went over a dam near New Market died from accidental drowning, Monday, June 29, 2015. (Photo by Sam Yu/The Frederick News-Post via AP Photo)

A Burundian woman votes in a polling station in the Kinama neighborhood in Bujumbura, on June 29, 2015. Voting in Burundi's controversial elections opened Monday despite a string of grenade attacks on polling stations, the latest in weeks of violence sparked by the president's defiant bid for a third term. (Photo by Marco Longari/AFP Photo)

Firefighters with multiple departments battle a fire at a fatal accident involving a tanker in Spartanburg, S.C., Saturday, June 27, 2015. Officials say two people are dead following the fiery crash involving a tanker truck and at least one other vehicle on Interstate 26. S.C. Highway Patrol Lance Cpl. Bill Rhyne confirmed the two deaths in Saturday's crash. (Photo by Tim Kimzey/The Spartanburg Herald-Journal via AP Photo)

A diver holds a Greek flag as other sit on the MS Zenobia shipwreck, a Swedish built ferry that capsized and sank off the coast of the Cypriot port city of Larnaca in 1979, as they participate in a “Mass Dive” event, consisting of over 120 divers, on June 28, 2015. (Photo by Emily Irving-Swift/AFP Photo)

Serbia's team members celebrate their win over France after the EuroBasket Women 2015 final basketball match between Serbia and France in Budapest on June 28, 2015. Serbia won the match 76-68. (Photo by Ferenc Isza/AFP Photo)

The Swiss-made solar-powered plane Solar Impulse 2 as it prepares to take off from the international airport in Nagoya, Japan, headed for Hawaii. The revolutionary Solar Impulse 2 aircraft passed “the point of no return” on June 29 after it left Japan bound for Hawaii, the most ambitious leg of its quest to circumnavigate the globe powered only by the sun. Swiss pilot Andre Borschberg, 62, left the city of Nagoya around 3:00 am (18:00 GMT), five days after weather problems forced the organisers to cancel an earlier attempt. (Photo by AFP Photo/Solar Impulse)

The family of newly drafted Indian NBA basketball player Satnam Singh (L/R): mother Sukhwinder Kaur, neighbour Kartar Kaur, father Balbir Singh Bhamara, sister Sarabjot Kaur and brother Beant Singh pose under a basketball hoop at his family home in the village of Ballo Ke, some 50kms south of Jalandhar on June 29, 2015. India's Satnam Singh Bhamara who has become the first India-born selection when he was chosen by the Dallas Mavericks is hoping his historic selection in the NBA will kickstart a basketball boom in his cricket-obsessed home country. The 7-foot-2-inch (2.18m) Bhamara, originally from the village in northern Punjab state, is hoping he can generate enthusiasm for the sport in India – in much the same way that superstar Yao Ming sparked a basketball frenzy in China. (Photo by Shammi Mehra/AFP Photo)

Whirling dervish Mahmoud Rizk, spins during a performance held by the Al-Tannoura Egyptian Heritage Dance Troupe, at the Darb 1718 cultural center, in Cairo, Egypt. The spinning of the dervish dancers is partially meant to symbolize the way Muslim pilgrims perform the Hajj pilgrimage by ritually circling the cube-shaped Kabaa in Mecca, Saudi Arabia. (Photo by Amr Nabil/AP Photo)

Protesters march during a rally against a hike in electricity prices in Yerevan, Armenia, June 28, 2015. Armenia's president tried to ease days of tension by suspending an increase in public electricity bills, pending a review of the decision, but failed to end a protest by thousands of people. (Photo by Karo Sahakyan/Reuters/PAN Photo)

A reveller attends the annual gay pride parade in Bogota June 28, 2015. (Photo by John Vizcaino/Reuters)

A reveller stand sits before the annual gay pride parade in Bogota June 28, 2015. (Photo by John Vizcaino/Reuters)

A tourist takes a selfie with his son and South Korean Marines in front of amphibious assault vehicles of the South Korean Marine Corps during a landing operation drill in Taean, South Korea, June 29, 2015. (Photo by Kim Hong-Ji/Reuters)

Revellers take part in a Gay Pride parade in San Jose June 28, 2015. (Photo by Juan Carlos Ulate/Reuters)

A man waits to get his beard trimmed inside a barber shop as another speaks on his mobile phone in the old quarters of Delhi in this November 12, 2014 file photo. India is expected to release services PMI data this week. (Photo by Anindito Mukherjee/Reuters)

Black China (L) and Amber Rose arrive at the 2015 BET Awards in Los Angeles, California June 28, 2015. (Photo by Phil McCarten/Reuters)

Elaine Thompson rests after winning the women's 200m finals in the National Trials at National Stadium in Kingston, Jamaica, June 28, 2015. (Photo by Gilbert Bellamy/Reuters)

A reveller takes part in a Gay Pride parade in Managua, Nicaragua June 28, 2015. (Photo by Oswaldo Rivas/Reuters)

A woman bathes a girl seated in a stroller in Rio Bravo during a hot summer day at the border crossing between Mexico and the United States in Ciudad Juarez, Mexico, June 28, 2015. (Photo by Jose Luis Gonzalez/Reuters)

K Michelle (C) performs “Hard to Do” during the 2015 BET Awards in Los Angeles, California, June 28, 2015. (Photo by Kevork Djansezian/Reuters)

New York Police Department members kiss in front of Stonewall Inn during the annual Gay Pride Parade in New York June 28, 2015. (Photo by Eduardo Munoz/Reuters)

A person dressed as a Stormtrooper from Star Wars (C) waves to marchers during the annual Gay Pride parade in New York June 28, 2015. (Photo by Eduardo Munoz/Reuters)

People walk in Hoboken's park as The Empire State Building is lit in rainbow colors during the celebration of the annual Gay Pride Parade in New York June 28, 2015. (Photo by Eduardo Munoz/Reuters)

A trader speaks on the phone at his desk at the Frankfurt stock exchange, Germany, June 29, 2015. European shares took a hammering in early deals on Monday, with Southern European banks especially badly hit, after Greece closed its banks and imposed capital controls as a result of its debt problems. Germany's DAX and France's CAC both fell by around 4 percent, while the euro zone's blue-chip Euro STOXX 50 index also declined by a similar amount – marking the Euro STOXX's worst one-day percentage loss since late 2011. (Photo by Ralph Orlowski/Reuters)

People walk on a street which was hit by a flood, after heavy rainfall hit Nanjiang county, Sichuan province, China, June 28, 2015. China's top meteorological authority on Sunday continued to warn of heavy rain that have battered parts of the country since last week, Xinhua News Agency reported. (Photo by Reuters/Stringer)

A dog sits in front of the Japanese pagoda bridge in Vietnam's central ancient town of Hoi An, a UNESCO heritage site, June 26, 2015. (Photo by Reuters/Kham)

Ash spews from Mount Sinabung volcano during eruption as seen from Sibintun village in Karo Regency, North Sumatra province, Indonesia June 29, 2015. More than 10,000 people from 12 villages, who are living around the slopes of Mount Sinabung, left their homes and moved to refugee camps, local media reported. (Photo by Reuters/Beawiharta)

Ash spews from Mount Sinabung volcano during eruption as seen from Beras Tepu village in Karo Regency, North Sumatra province, Indonesia June 29, 2015. (Photo by Reuters/Beawiharta)

A resident rides a motorcycle as ash spews from Mount Sinabung volcano during eruption at Gamber village in Karo Regency, North Sumatra province, Indonesia June 29, 2015. (Photo by Reuters/Beawiharta)

A worker places endangered Philippine forest turtles inside baskets before a veterinarian from a non-government organization attends to them inside a farm in Puerto Princesa city, Palawan, west Philippines June 25, 2015. Philippine authorities recovered more than 4,000 critically endangered turtles at a warehouse in Palawan Island, believed to be bound for China and the illegal pet trade, animal conservation group Katala Foundation said on June 25, 2015. (Photo by Romeo Ranoco/Reuters)

Anti-fracking protesters celebrate a rejected fracking planning application during a demonstration outside County Hall in Preston, Britain June 29, 2015. British officials on Monday rejected another Cuadrilla Resources shale gas project in northwest England on the grounds of visual and noise impact, just four days after refusing a different shale gas planning application. (Photo by Andrew Yates/Reuters)

Egyptian firefighters work at the scene of a bombing targeting the convoy of the Egyptian Prosecutor General, in a northern suburb of Heliopolis, Cairo, Egypt, 29 June 2015. According to reports Egypt's Prosecutor General, Hisham Barakat, is receiving treatment in hospital for injuries to his face and shoulder. Two of his guards and a civilian were also injured in the incident on Barakat's route between his office and home which left at least five cars destroyed. In an uncorroborated statement the group calling themselves the Giza Popular Resistance have claimed responsibility. (Photo by Hatem Safwat/EPA)

Policemen investigate the site of a car bomb attack on the convoy of Egyptian public prosecutor Hisham Barakat near his house at Heliopolis district in Cairo, Egypt, June 29, 2015. Barakat was injured when a car bomb struck his convoy as it was leaving his home in Cairo on Monday, in a high-profile attack against the judiciary, security and judicial sources said. (Photo by Mohamed Abd El Ghany/Reuters)

Police guard migrants from Syria who have crossed the border from Serbia to Hungary, walking on the dam near the Tisza river near the city of Szeged, Hungary, on June 29, 2015. So far this year more than 60,000 migrants have crossed into Hungary illegally, most of them coming from Kosovo, Syria and Afghanistan. (Photo by Laszlo Balogh/Reuters)

Migrants sleep on a train bound for the northern Serbian city of Subotica, near the border with Hungary, on June 28, 2015. Hungary on June 24 reversed its decision to suspend a key EU rule on processing asylum claims, a day after its announcement caused concern in Brussels and elsewhere. This year, more than 50,000 migrants tried to cross into Hungary via Serbia between January 1 and 31 May – representing an 880-percent increase compared to the same period in 2014, according to new figures by the EU's Frontex border agency. (Photo by Igor Pavicevic/AFP Photo)

An Afghan National Army soldier (ANA) inspects passengers at a checkpoint on the outskirts of Jalalabad province June 29, 2015. Fighters loyal to Islamic State have seized substantial territory in Afghanistan for the first time, witnesses and officials said, wresting areas in the east from rival Taliban insurgents in a new threat to stability. (Photo by Reuters/Parwiz)

Employees work on a Russian Progress-M spacecraft (R, front) during the preparations for the upcoming launch at Baikonur cosmodrome, Kazakhstan, June 29, 2015. An unmanned SpaceX rocket exploded about two minutes after liftoff from Florida on Sunday, destroying a cargo ship bound for the International Space Station in the latest in a string of mishaps in supplying the orbiting outpost. A Russian Progress cargo ship failed to reach the outpost in April following a problem with its Soyuz launcher. Russia hopes to return its troubled Soyuz rocket and Progress cargo ship to flight on Friday. (Photo by Reuters/Stringer)

Firefighters rest as their colleague continues to battle flames that has burned through the night at a commercial building that was ignited by the Sleepy Hollow fire in Wenatchee, Washington June 29, 2015. Emergency officials ordered hundreds of people to leave their homes in central Washington state as a fast-moving wildfire destroyed at least nine properties and threatened businesses on Sunday. Many took refuge in shelters as the blaze ripped across 1,700 acres near the cities of Cashmere and Wenatchee in Chelan County, about 120 miles (200km) east of Seattle. (Photo by David Ryder/Reuters)

Maria Sharapova of Russia reacts against Johanna Konta of Britain at the Wimbledon Tennis Championships in London, June 29, 2015. (Photo by Suzanne Plunkett/Reuters)

People buy ice blocks from a vendor along a road during a heat wave in Karachi, Pakistan, June 29, 2015. Sea breezes brought lower temperatures on Friday to ease a heat wave that killed more than 1,150 people around Pakistan's teeming port city of Karachi during the Muslim fasting month of Ramadan. (Photo by Athar Hussain/Reuters)

Sloane Stephens of the U.S.A. pumps her fist during her match against Barbora Strycova of the Czech Republic at the Wimbledon Tennis Championships in London, June 29, 2015. (Photo by Suzanne Plunkett/Reuters)

Four military helicopters fly over the Mediterranean sea opposite the port of Ashdod, Israel June 29, 2015. Israel said on Monday it had blocked a boat leading a four-vessel protest flotilla of foreign activists from reaching the Gaza Strip and forced the vessel to sail to the Israeli port in Ashdod. (Photo by Amir Cohen/Reuters)

Female graduates from the National Police stand in formation during their graduation ceremony in Panama City June 29, 2015. As part of the government's strategy to fight violence and crime, more then 600 policemen graduated in Panama this year, according to local media. (Photo by Carlos Jasso/Reuters)

A member of the LGBT movement takes part in the Gay Pride parade celebration in Managua, Nicaragua, Sunday, June 28, 2015. (Photo by Esteban Felix/AP Photo)

In this Sunday, June 28, 2015 photo, and Indian man and a woman strike the body of a school director with sticks as it lies on the ground in Nirpur village, about 90 kilometers (55 miles) southeast of Patna, the capital of Bihar state, India. Police are investigating the mob killing of the school director in northern India after two of the school's students aged 10 and 11, were discovered dead in a nearby pond, officials said Monday. (Photo by AP Photo/Stringer)

A woman is helped after she was injured when a march belonging to the National Front for Popular Resistance (FNRP) that was protesting against recent government corruption scandals and also to mark the 6th anniversary of the 2008 military overthrow of President Juan Manuel Zelaya, clashed with another march that was supporting the current President Juan Orlando Hernandez in Tegucigalpa, Honduras, Sunday, June 28, 2015. The current government has been under pressure over a corruption scandal that involved the alleged embezzlement of as much as $120 million from the Central American country's Social Security Institute. (Photo by Fernando Antonio/AP Photo)

A woman is carried away after she was injured when a march belonging to the National Front for Popular Resistance (FNRP) clashed with another march that was supporting the current President Juan Orlando Hernandez in Tegucigalpa, Honduras, Sunday, June 28, 2015. (Photo by Fernando Antonio/AP Photo)

Italy's Project coordinator of Nemo's Garden, Gianni Fontanesi check immerged Biospheres on June 27, 2015 in Noli. 3 biospheres with air welcome seeds of basilic and others green plants to study their grows immerged at 8m in complete autonomy thanks to the natural Photosyntesis process, protected from any pollution from the outdoor plantations. This project is part of the Italian Pavillon theme at the EXPO2015 , “how to feed the planet”. (Photo by Olivier Morin/AFP Photo)

In this photograph taken on June 28, 2015, a hiker in Hong Kong takes a picture of the city from a walking trail. The southern Chinese territory is crisscrossed by more than 180 miles of designated hiking trails. (Photo by Alex Ogle/AFP Photo)

An activist waves a rainbow flag in front of the Monument of the Soviet Army, during the Sofia Gay Pride Parade in Sofia, Saturday, June 27, 2015. Hundreds paraded through the Bulgarian capital of Sofia under rainbow-colored balloons and banners for that city's eighth Gay Pride march on Saturday. They were flanked by police in the wake of calls by some extremist groups to stop the rally. (Photo by Valentina Petrova/AP Photo)

A woman paddles on top of a surfboard as her dog swims next to her in the Mediterranean Sea in Barcelona, Spain, Monday, June 29, 2015. Weather stations across Spain are warning people to take extra precautions as a heat wave engulfs much of the country, increasing the risk of wildfires. The country's meteorological agency says a mass of hot air originating in Africa is moving northwards, bringing with it until at least Monday temperatures reaching 40 °C. (Photo by Emilio Morenatti/AP Photo)

An Indian man walks with his cycle through a water-logged street as it rains in Jammu, India, Monday, June 29, 2015. Heavy rains lashed the city bringing much needed relief from the scorching heat wave. (Photo by Channi Anand/AP Photo)

In this Sunday, June 28, 2015 photo provided by The Wenatchee World, a Douglas County firefighter sprays down the back of a home in Wenatchee, Wash., trying to protect it from burning embers flying off of a neighboring house on fire. A wildfire fueled by high temperatures and strong winds roared into the central Washington neighborhood, destroying properties and forcing residents of several hundred homes to flee, authorities said Monday. (Photo by Don Seabrook/The Wenatchee World via AP Photo)

Arnold Schwarzenegger arrives at the LA Premiere of “Terminator Genisys” at Dolby Theater on Sunday, June 28, 2015 in Los Angeles. (Photo by Jordan Strauss/Invision/AP Photo)

Carlos Humala poses for the picture wearing a makeshift hat resembling the Pope's, with a picture of soccer player Paolo Guerrero, during Saint Peter's day celebrations in Lima, Peru, Monday, June 29, 2015. During the feast day of the Catholic saint, who is the patron saint of fishermen, coastal communities pay homage to St. Peter, whose statue is paraded to the sea and petitions are made to keep their vessels and all who work on them safe. (Photo by Rodrigo Abd/AP Photo)

People lay out carpets as they attend the 5th International Festival of Kyrgyz National Applied Arts in the village of At-Bashi, Naryn province, 400 km from Bishkek, Kyrgyzstan, 28 June 2015. Craftsmen from all over Kyrgyzstan took part in the festival which received support from the German Federal Enterprise for International Cooperation. (Photo by Igor Kovalenko/EPA)

A picture made available on 29 June 2015 shows a Palestinian lighting fireworks amid the rubble of an Italian tower in Gaza City, Gaza Strip, 27 June 2015. A group of Palestinians put their aims to light the darkness with fireworks at devastated urban areas in the Gaza Strip during the holy month of Ramadan. The group's intent is to give hope to the people who lost their houses during the Israel-Gaza conflict in 2014. (Photo by Mohammed Saber/EPA)

Palestinian guys light fireworks amid the rubble of destroyed Palestinian houses in Al Shejaeiya neighborhood, in the east of Gaza City, Gaza Strip, 28 June 2015. (Photo by Mohammed Saber/EPA)

Palestinian protesters attend a protest calling to free the Marianne vessel one of four boats sailing to break the blockade on Gaza strip, at the fishermen port in Gaza City, in the northern Gaza Strip, Monday, June 29, 2015. Israel's navy intercepted a Swedish vessel attempting to breach a naval blockade of Gaza early Monday and was redirecting it to an Israeli port, the military and the activists said. (Photo by Adel Hana/AP Photo)

Colombian athlete David Doncel performs with the ball during a freestyle football show before the Copa America semi-final soccer match between Chile and Peru at the National Stadium in Santiago, Chile June 29, 2015. (Photo by Ueslei Marcelino/Reuters)