Victoria Barreto and her children wade through a flooded street to get to their school, in the Banado Norte neighborhood, in Asuncion, Paraguay, Thursday, July 30, 2015. Authorities reported that among the marshes north and south of Asuncion, 37,000 people have been displaced due to cyclical flooding of the Paraguay River. (Photo by Jorge Saenz/AP Photo)

Team Oracle stunt pilot Sean Tucker, bottom, is joined in close formation by a pair of U.S. Navy Blue Angels as they trail vapor during an air show practice run in Seattle, Thursday, July 30, 2015. The Blue Angels, Tucker and a number of other aircraft will perform in the show at Seafair Weekend over Lake Washington Friday through Sunday. (Photo by Elaine Thompson/AP Photo)

An activist of People for the Ethical Treatment of Animals, PETA stages a protest against Hermes at Milan's fashion shopping district, in Milan, Italy, Thursday, July 30 , 2015. British singer Jane Birkin has asked Hermes to take her name off the crocodile-skin versions of the iconic Birkin handbag, after being contacted by animal rights group PETA over “cruel” slaughtering practices. (Photo by Luca Bruno/AP Photo)

A general view shows a “smiling” sunflower in a field in Tokyo on July 30, 2015. Some 20,000 sunflowers were enjoyed by visitors to the area. (Photo by Yoshikazu Tsuno/AFP Photo)

Activists of People for the Ethical Treatment of Animals, or PETA perform with their bodies painted to look like slaughtered crocodiles in front of a Hermes shop at Tokyo's Ginza shopping district, Thursday, July 30, 2015. The banners read “It takes three crocodiles to make one handbag”. (Photo by Shizuo Kambayashi/AP Photo)

People cover their faces to protect themselves from the tear gas, as they walk after clashes between Venezuela's National Guards and protesters at Simon Bolivar international bridge, on the border with Colombia, at San Antonio in Tachira state, Venezuela July 29, 2015. Demonstrators clashed with the Venezuelan National Guard on Wednesday at the Colombian-Venezuelan border, due to the death of a man who was illegally bringing products back and forth between the two countries, according to local media. (Photo by Carlos Eduardo Ramirez/Reuters)

Venezuela's National Guards lie down on floor as they cover themselves during clashes with protesters at Simon Bolivar international bridge, on the border with Colombia, at San Antonio in Tachira state, Venezuela July 29, 2015. (Photo by Reuters/Stringer)

SoftBank Group Corp. Chairman and CEO Masayoshi Son reacts as SoftBank's human-like robots named “Pepper” performs during the SoftBank World 2015 event in Tokyo, Japan, July 30, 2015. (Photo by Yuya Shino/Reuters)

Protestors gather on the beach near the hotel where the Trans-Pacific Partnership (TPP) meeting is being held in Lahaina, Maui, Hawaii July 29, 2015. The protestors tried to break a world record by having more than two hundred people blow conch shells at once. (Photo by Marco Garcia/Reuters)

French gendarmes and police inspect a large piece of plane debris which was found on the beach in Saint-Andre, on the French Indian Ocean island of La Reunion, July 29, 2015. France's BEA air crash investigation agency said it was examining the debris, in coordination with Malaysian and Australian authorities, to determine whether it came from Malaysia Airlines Flight MH370, which vanished last year in one of the biggest mysteries in aviation history. (Photo by Prisca Bigot/Reuters/Zinfos974)

Employees take part in an earthquake drill in Manila's financial district in Makati city, Metro Manila July 30, 2015. Hundreds of thousands of Filipinos on Thursday rushed out from shopping malls, office towers, and public buildings to open spaces across the Philippine capital in a simulated earthquake drill, media reports said. (Photo by Erik De Castro/Reuters)

Construction workers take cover as they participate in the simultaneous earthquake drill in Manila July 30, 2015. The earthquake drill is part of the local government's preparation if ever a major earthquake strikes the country. (Photo by Romeo Ranoco/Reuters)

Hotel employees wearing Kimonos evacuate from a building as they participate in the simultaneous earthquake drill in Manila July 30, 2015.. (Photo by Romeo Ranoco/Reuters)

Caregivers of patients hold plastic chairs over their heads while a nurse takes cover under a table as they participate in a metropolitan Manila-wide earthquake drill designed to boost preparedness in the country at the Veterans Memorial Medical Center in suburban Quezon city, north of Manila, Philippines on Thursday, July 30, 2015. Filipinos poured out of buildings and shopping malls in a massive drill across Manila on Thursday to brace for an earthquake that experts fear could kill tens of thousands and displace millions. (Photo by Aaron Favila/AP Photo)

Hotel and office employees cover their heads as they take part in a Metropolitan Manila-wide earthquake drill which was designed to boost preparedness in the country Thursday, July 30, 2015 at the financial district of Makati city east of Manila, Philippines. (Photo by Bullit Marquez/AP Photo)

Potatoes painted with faces and cartoons are seen on display during the World Potato Congress on the outskirts of Beijing, China, July 28, 2015. Once seen as food for the poor, the humble potato is being pushed in China as a tasty, nutritious part of any meal as the world's most populous country struggles with water shortages and looks for alternatives to the traditional rice and noodles. China already produces 95 million tonnes of potatoes a year, a quarter of the global total, and is aiming to raise that to 130 million tonnes by 2020, government officials said at the World Potato Congress on the outskirts of Beijing this week. (Photo by Reuters/Stringer)

A local worker is carried by a digger past the feet of a ski slope at Wanlong Ski Resort, which could host some Olympic skiing events, in Chongli county of Zhangjiakou July 29, 2015. Beijing, which hosted the 2008 Summer Olympics Games, hopes to beat Almaty, Kazakhstan, and win the 2022 Winter Olympics, when a decision is made on July 31 in the Malaysian capital, Kuala Lumpur. Zhangjiakou is jointly bidding with the capital Beijing to host the 2022 Winter Olympic Games. (Photo by Jason Lee/Reuters)

A woman shops at grocery store in Madrid, Spain, July 30, 2015. Spain's economy grew at its fastest quarterly pace in over eight years in the second quarter, underpinning projections for strong growth in the rest of the year that should generate jobs and repair some of the damage wrought by a prolonged crisis. (Photo by Juan Medina/Reuters)

A general view shows the settlements of Larung Gar Buddhist Academy in Sertar County of Garze Tibetan Autonomous Prefecture, Sichuan province, China, July 23, 2015. The academy, founded in the 1980s among the mountains of the remote prefecture, is one of the largest Tibetan Buddhism institutes of the world, housing tens of thousands of monks and nuns, according to local media. (Photo by Reuters/Stringer)

A view shows the settlements of Larung Gar Buddhist Academy in Sertar County of Garze Tibetan Autonomous Prefecture, Sichuan province, China, July 24, 2015. (Photo by Reuters/Stringer)

A view shows the settlements of Larung Gar Buddhist Academy in Sertar County of Garze Tibetan Autonomous Prefecture, Sichuan province, China, July 23, 2015. (Photo by Reuters/Stringer)

A view shows the settlements of Larung Gar Buddhist Academy in Sertar County of Garze Tibetan Autonomous Prefecture, Sichuan province, China, July 23, 2015. (Photo by Reuters/Stringer)

Employees work at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. According to a statement from the company, it employs 1,600 workers on the 320,000 square metre plant where seven vehicles are produced a day to be used for the MAN and NEOPLAN brand of city and intercity buses, as well as touring coaches. (Photo by Umit Bektas/Reuters)

Employees work at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

A bus is submerged into solution, to prevent rusting, at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

Employees work at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

Employees work at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

A worker hammers the logo of a bus at the assembly line of the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

Buses are seen parked in a row at the MAN Bus Production Center in Ankara, Turkey, July 29, 2015. (Photo by Umit Bektas/Reuters)

A firefighter uses a water hose to extinguish a building after a fire broke out at a former U.S. airfield in Erlensee, Germany July 30, 2015. About 250 firefighters attempted to control the fire in the historical ensemble of buildings, part of the country's national heritage. (Photo by Kai Pfaffenbach/Reuters)

Firefighters pour water on a burning building after a fire broke out at a former U.S. airfield in Erlensee, Germany July 30, 2015. (Photo by Kai Pfaffenbach/Reuters)

Police use a water cannon to help firefighters to extinguish a fire which broke out at a former U.S. airfield in Erlensee, Germany July 30, 2015. (Photo by Kai Pfaffenbach/Reuters)

Three firefighters rest after extinguishing a fire that broke out at a former U.S. airfield in Erlensee, Germany July 30, 2015. (Photo by Kai Pfaffenbach/Reuters)

Flood-affected villagers rush to board an Indian Air Force (IAF) helicopter in Gujarat, India, July 29, 2015. At least 26 people have been killed in the flood-like situation caused by torrential monsoon rains in some parts of the western Indian state of Gujarat, local media reported on Thursday. (Photo by Reuters/India's Ministry of Defence)

A worker adjusts the hair on a wax figure of U.S. actress Scarlett Johansson as it stands outside of the Madame Tussauds New York attraction shortly after being unveiled in Times Square in New York, July 30, 2015. (Photo by Mike Segar/Reuters)

A wax figure of U.S. actress Scarlett Johansson stands outside Madame Tussauds New York attraction shortly after the figure was unveiled in Times Square in New York, July 30, 2015. (Photo by Mike Segar/Reuters)

A model takes a selfie with a wax figure of U.S. actress Scarlett Johansson as it stands outside Madame Tussauds New York attraction shortly after the figure was unveiled in Times Square in New York, July 30, 2015. (Photo by Mike Segar/Reuters)

Russia's Natalia Ishchenko (L) and Svetlana Romashina pose with their gold medals after winning the synchonised swimming duet free final at the Aquatics World Championships in Kazan, Russia, July 30, 2015. (Photo by Michael Dalder/Reuters)

Entertainers dance to welcome Nigeria's President Muhammadu Buhari as he arrives on an official visit to Cameroon in Yaounde July 29, 2015.The leaders of Nigeria and Cameroon pledged on Thursday to improve the exchange of intelligence and security cooperation along their border in a bid to tackle Nigerian Islamist militant group Boko Haram. (Photo by Bayo Omoboriowo/Reuters)

A piece of a toy doll is seen on Fundao beach in the Guanabara Bay in Rio de Janeiro, Brazil, July 30, 2015. Rio de Janeiro continues to face criticism locally and abroad that the bodies of water it plans to use for competition in the 2016 Olympic Games are too polluted to host events. Untreated sewage and trash frequently find their way into the Atlantic waters of Copacabana Beach and Guanabara Bay – both future sites to events such as marathon swimming, sailing and triathlon events. Olympic sailors are not worried about getting sick during the Rio Olympics next year in spite of reports that waters where the sailing events will take place have pollution levels equivalent to raw sewage, competitors told Reuters on Thursday. (Photo by Sergio Moraes/Reuters)

An asylum seeker shaves at a makeshift help centre after crossing the border into the European Union's visa-free Schengen travel zone, in Szeged, Hungary July 30, 2015. Nearly 100,000 migrants have crossed Hungary's southern border so far this year, far more than in all of 2014, as Middle Eastern and African refugees now mainly choose the overland route into Europe, most of them entering the bloc through Hungary. (Photo by Laszlo Balogh/Reuters)

British actor Helen Mirren (2nd R) poses with waxwork models of herself at Madame Tussauds in London, Britain, July 30, 2015. (Photo by Peter Nicholls/Reuters)

Nikoleta Kyriakopoulou of Greece reacts after clearing 4.76 in the women's pole vault event of the IAAF Athletics Diamond League meeting at Stockholm Olympic Stadium, July 30, 2015. (Photo by Fredrik Sandberg/Reuters/TT News Agency)

A row of coffee vendors trailers in the form of pink snails, block the entrance to the city hall and the office of the major Vitalii Klitschko during a protest in Kiev on July 30, 2015. The demonstration was staged in protest against recent legislation deemed harmful to the trade and livelihood of street vendors. (Photo by Sergei Supinsky/AFP Photo)

A dock worker and his son walk on the pier next to the ship San Salvador, which is a working replica of the Spanish galleon by the same name, after it was lowered into the San Diego Bay in Chula Vista, California, USA, 29 July 2015. The original San Salvador voyage in 1542, led by Portuguese explorer Juan Rodriguez Cabrillo, was the first ship to sail into the bay. (Photo by David Maung/EPA)

An air tanker drops retardant at the Rocky Fire as the wind picks up spreading the flames south down in the Morgan Valley during sunset, Wednesday July 29, 2015, near Lower Lake, Calif. (Photo by Kent Porter/The Press Democrat via AP Photo)

Displaced Iraqis carry donated food at al-Takia refugee camp in Baghdad, Iraq, Thursday, July 30, 2015. The number of people displaced within Iraq due to violence and fighting by the Islamic State group has exceeded 3 million, the United Nations said in June. (Photo by Khalid Mohammed/AP Photo)

A Belgian dairy farmer pours milk from a truck during a protest against low milk prices at the milk processing factory Corman in Bethane near Liege, Belgium, July 30, 2015. (Photo by Francois Lenoir/Reuters)

This picture taken on July 29, 2015 shows a man holding a python to be skinned for its hide in Banyuwangi, East Java. The hides of non-endangered snakes are used in the local handicrafts industry to be made into leather goods, while a percentage is exported out of the country. Europe is the biggest importer of snakeskin goods, while most of the skins come from Indonesia, Malaysia and Vietnam. (Photo by Aman Rochman/AFP Photo)

A tableau of flowers representing the face of famous Dutch painter Vincent van Gogh is revealed at Museumplein, Amsterdam, the Netherlands, 29 July 2015. Van Gogh died in Auvers-sur-Oise, France, 125 years ago. (Photo by Remko De Waal/EPA)