Stallions fight for leadership of the herd in Aschau in the Austrian province of Tyrol, 19 June 2016. Establishment of a stable hierarchical system or is important to reduce aggression and increase group cohesion. (Photo by Kerstin Joensson/EPA)





Russian Defense Minister Sergei Shoigu, second left, visits the Hemeimeem air base in Syria, Saturday, June 18, 2016. Russia's defense minister visited Syria on Saturday to meet the country's leader and inspect the Russian air base there, a high-profile trip intended to underline Moscow's role in the region. (Photo by Vadim Savitsky/Russian Defense Ministry Press Service pool photo via AP Photo)





Participants perform yoga during full dress rehearsal ahead of World Yoga Day in Chandigarh, India, June 19, 2016. (Photo by Ajay Verma/Reuters)





People stand in front of a flooded area in Kampung Sewuresidential area in Solo, Central Java province, Indonesia, June 19, 2016. (Photo by Maulana Surya/Reuters/Antara Foto)





People do yoga during International Yoga Day in Minsk, Belarus June 19, 2016. (Photo by Vasily Fedosenko/Reuters)





An Iraqi security forces vehicle is seen on a street in the centre of Falluja, Iraq, June 18, 2016. (Photo by Thaier Al-Sudani/Reuters)





Two activists with the EU flag and Union Jack painted on their faces kiss each other in front of Brandenburg Gate to protest against the British exit from the European Union, in Berlin, Germany, June 19, 2016. (Photo by Hannibal Hanschke/Reuters)





Rebel fighters from “Mujahideen Horan brigade” carry their weapons as they take part in military training in the western rural area of Deraa Governorate, Syria June 19, 2016. (Photo by Alaa Al-Faqir/Reuters)





Rebel fighters from “Mujahideen Horan brigade” ride on a tank and pick-up trucks mounted with anti-aircraft weapons as they take part in military training in the western rural area of Deraa Governorate, Syria June 19, 2016. (Photo by Alaa Al-Faqir/Reuters)





Yoga lovers guide tourists to practise yoga at a water park to cool off in Chongqing, China, June 18, 2016. (Photo by Reuters/Stringer)





People perform dragon dance and present it in a shape of the Chinese character “father” to celebrate Father's Day in Yueyang, Hunan Province, China, June 19, 2016. (Photo by Reuters/Stringer)





Participants kiss during a pro-EU referendum event at Parliament Square in London, Britain June 19, 2016. (Photo by Neil Hall/Reuters)





Riot police use rubber pellets to disperse LGBT rights activists during a transgender pride parade, which was banned by the governorship, in central Istanbul, Turkey, June 19, 2016. (Photo by Osman Orsal/Reuters)





A beachgoer rests on an inflatable mattress near a beach in Anfeh, northern Lebanon June 19, 2016. (Photo by Jamal Saidi/Reuters)





Brazilian swimmer Jefferson Mascarenhas, takes part in the Olympic Flame torch relay in front of the Arena da Amazonia stadium in Manaus, Amazonas state, Brazil, June 19, 2016. (Photo by Bruno Kelly/Reuters)





Artist Robert Pantaleo's 25-foot-long metal sculpture of a mako shark, filled with palm fronds, burns on the beach at the Guy Harvey Outpost Islander Resort in Islamorada, Florida June 18, 2016. The bonfire was a facet of the Blazing Mako Festival in the Florida Keys featuring a fishing tournament as well as artist and marine conservation exhibits. Picture taken June 18, 2016. (Photo by Ron Modra/Reuters/Florida Keys News Bureau)





Civilians, who fled the violence in Manbij city, carry their belongings as they walk with their herd of sheep upon their arrival to the southeastern rural area of Manbij, in Aleppo Governorate, Syria June 19, 2016. (Photo by Rodi Said/Reuters)





Civilians, who fled the violence in Manbij city, arrive to the southeastern rural area of Manbij, in Aleppo Governorate, Syria June 19, 2016. (Photo by Rodi Said/Reuters)





Civilians, who fled the violence in Manbij city, arrive to the southeastern rural area of Manbij, in Aleppo Governorate, Syria June 19, 2016. (Photo by Rodi Said/Reuters)





Football Soccer, EURO 2016, Saint Etienne, France on June 19, 2016. England fans gather in Saint Etienne ahead of their team's match against Slovakia. (Photo by Wolfgang Rattay/Reuters)





Polina Borodacheva smiles during the awards ceremony after winning the Miss Belarus Beauty Contest 2016 in Minsk, Belarus June 19, 2016. (Photo by Vasily Fedosenko/Reuters)





Polina Borodacheva participates in the Miss Belarus 2016 beauty contest in Minsk, Belarus June 19, 2016. (Photo by Vasily Fedosenko/Reuters)





Polina Borodacheva smiles during the awards ceremony after winning the Miss Belarus 2016 beauty contest in Minsk, Belarus June 19, 2016. (Photo by Vasily Fedosenko/Reuters)





Protesters hold placards that read: “Our anger has reached its limit” during a protest rally against the presence of U.S. military bases on the southwestern island of Okinawa in Naha, Okinawa, Sunday, June 19, 2016 as many of them wearing black to mourn the rape and killing of a local woman in which a former U.S. Marine is a suspect. The rally called for a review of the U.S.-Japanese security agreement, which burdens Okinawa with hosting the bulk of American troops in Japan. (Photo by Ryosuke Uematsu/Kyodo News via AP Photo)





France fans react as they watch the Switzerland v France EURO 2016 Group A soccer match at the fan zone in Paris, France, June 19, 2016. (Photo by Stephane Mahe/Reuters)





Hot air balloons over the London skyline on June 19, 2016 in London, England. 46 balloons take to the air today as part of the annual Lord Mayor's Hot Air Balloon Regatta, a charity event in aid of the Lord Mayor's Fund. (Photo by Jack Taylor/Getty Images)





Hot air balloons over the London Skyline on June 19, 2016 in London, England. (Photo by Jack Taylor/Getty Images)





Participants perform during a full dress rehearsal preview evening for the Kynren event, an epic tale of England, on June 18, 2016 in Bishop Auckland, England. The performance takes audiences on a journey through 2,000 years of English history as seen through the eyes of Arthur, a 10-year old boy from the North East. He encounters myth, legends and history encompassing Roman times, the Viking and Norman invasions, St Cuthbert and the Lindisfarne Monks, medieval feasts, the Elizabethan era, Georgian Renaissance, the Industrial Revolution and the Second World War. The spectacular event will be performed for the public from July 2 and takes place on a 7.5 acre stage. The event involves more than 1,000 volunteers from the local area as the cast and crew who have all been professionally trained. (Photo by Ian Forsyth/Getty Images)





People participate in the “Colour Run 2016” at the Luzhniki Olympic Complex in Moscow on June 19, 2016. The Colour Run is a five kilometres paint race without winners nor prizes, while runners are showered with colored powder at stations along the run. (Photo by Vasily Maximov/AFP Photo)





Young people wearing Belarus traditional clothes and wreaths dance around a bonfire as they celebrate the Ivan Kupala night, an ancient heathen holiday, held in the countryside near Minsk, on June 19, 2016. People celebrate Kupala Night with bonfires that last throughout the night with some leaping over the flames as it is believed that the act of jumping over the bonfire cleanses people of illness and bad luck. (Photo by Maxim Malinovsky/AFP Photo)





A British Aerospace BAe-146 belonging to Neptune Aviation makes a Phos-Chek drop Saturday, June 18, 2016, on wildfires in Santa Barbara County, Calif. (Photo by Mike Eliason/Santa Barbara County Fire Department via AP Photo)





The Porsche 919 Hybrid No2 of the Porsche Team driven by Neel Jani of Switzerland, Romain Dumas of France, Marc Lieb of Germany and Coach driver Jeromy Moore celebrate with champagne, after winning the 84th 24-hour Le Mans endurance race, in Le Mans, western France, Sunday, June 19, 2016. (Photo by Kamil Zihnioglu/AP Photo)





People walk on the monumental installation entitled “The Floating Piers” created by artist Christo Vladimirov Javacheff on Iseo Lake, in northern Italy, on June 18, 2016. Some 200,000 floating cubes create a 3-kilometers runway connecting the village of Sulzano to the small island of Monte Isola on the Iseo Lake for a 16-day outdoor installation opening today. (Photo by Marco Bertorello/AFP Photo)





A member of the Iraqi pro-government forces fires a rocket propelled grenade during clashes with Islamic State (IS) group fighters as they try to enter the eastern Askari neighbourhood of Fallujah during a military operation to clear the city of IS fighters still holed up in the former jihadi bastion on June 19, 2016. Despite facing less resistance than expected from IS in Fallujah, an emblematic jihadist stronghold, sniper fire, car bombs and booby traps remained a risk for Iraq's forces as they try to clear central Fallujah of pockets of IS fighters. (Photo by Haidar Mohammed Ali/AFP Photo)





Emergency officers carry surviving children in a boat on Lake Syamozero in Russia's autonomic republic of Korelia on June 19, 2016. At least 14 children on a summer camp in northeast Russia drowned when their boats capsized in a storm on the lake, investigators said Sunday. The accident happened overnight on Lake Syamozero, close to the border with Finland, according to Vladimir Markin, a spokesman for Russia's investigative committee. The emergencies ministry said the children were sailing on two boats and a raft when they got caught in a storm after nightfall. Rescuers saved around 30 people, the ministry told RIA Novosti. (Photo by AFP Photo/Stringer)





New Rome's Mayor Virginia Raggi of the 5-Star Movement attends a press conference in Rome, early Monday, June 20, 2016, soon after being elected. An anti-establishment newcomer, capitalizing on anger over political corruption and deteriorating city services, Raggi trounced Premier Matteo Renzi's candidate in Rome's mayoral runoff Sunday to become the first woman to head City Hall in the Italian capital. (Photo by Alessandro Di Meo/ANSA via AP Photo)





An England fan gestures as he drinks with other fans ahead of tomorrow's England v Slovakia Euro 2016 Group B match, on June 19, 2016 in Saint-Etienne, France. Following a draw against Russia in Marseille and a win against Wales in Lille, England fans have travelled to the central French city for the final group game against Slovakia. (Photo by Carl Court/Getty Images)





Louna-Jukola International orienteering relay competition, Lappeenranta, Finland on June 18, 2016. (Photo by Photo by Anni Reenpää/Rex Features/Shutterstock)





People participate in Coney Island's annual Mermaid Parade on June 18, 2016 in the Brooklyn borough of New York City. The 34th annual parade celebrates mythology, artistic spirit and seaside culture. (Photo by Stephanie Keith/Getty Images)