Romanian Roma wait to perform on stage during an International Day of the Roma event in Glina, Romania, Wednesday, April 8, 2015. Romania is home to one of the largest Gypsy, or Roma, communities in Europe, counting more than 600,000 people according to official statistics, actual numbers are likely to be higher since many do not declare their ethnicity in censuses fearing discrimination. (Photo by Andreea Alexandru/AP Photo/Mediafax)

Beatrix Kolompar (L) and Sandorne Kolompar, members of the Terne Lulugya (Young Flowers) Romani Traditional Group dancing in traditional Romani garments in a field in Soltvadkert, 130 kms south of Budapest, Hungary, 07 April 2015. 08 April marks the International Romani Day which celebrates the standardization of the Romani language, improvement in civil rights and education, preservation of Roma culture, reparation after World War II, and international recognition of the Roma as a national minority of Indian origin. (Photo by Zoltan Balogh/EPA)

Sandor Sztojka Zoltan, member of the Terne Lulugya (Young Flowers) Romani Traditional Group, shows off his rings in his house in Soltvadkert, 130 kms south of Budapest, Hungary, 07 April 2015. (Photo by Zoltan Balogh/EPA)

People queue by a billboard poster with a built in tap that is dispending free beer outside the Truman Brewery in east London on April 8, 2015. The 12 meter billboard poster has been created by Carlsberg as part of its “Probably the best beer in the world” campaign. (Photo by Justin Tallis/AFP Photo)

Visitors attend the opening of the “100,000 Cats Project” art show at the 798 art district in Beijing, China, 04 April 2015. The art show is a public art experiment sponsored by the Life-Fun Studio that aims to observe the diversity created by individuals under the circumstance of mobile internet, and discovers a different way of communication between people. The project has collected more than 300,000 cat paintings from mobile internet by now. (Photo by Wu Hong/EPA)

Belarusian cave explorer takes part in an competition of speleologists in the forest near village of Raubichi, on the outskirts of Minsk, Belarus, Saturday, April 4, 2015. These competitions are held each year to improve and demonstrate the skills needed for the study of caves. (Photo by Sergei Grits/AP Photo)

Belarusian cave explorer takes part in an competition of speleologists in the forest near village of Raubichi, on the outskirts of Minsk, Belarus, Saturday, April 4, 2015. (Photo by Sergei Grits/AP Photo)

A Belarusian cave explorer reacts as he, secured by a rope, falls off a tower of beer boxes during competition of speleologists in the forest near village of Raubichi, on the outskirts of Minsk, Belarus, Saturday, April 4, 2015. (Photo by Sergei Grits/AP Photo)

Two people dressed up in funny costumes enjoy the good weather on the shore of Lake Geneva as they attend the Polymanga convention in Montreux, Switzerland, April 6, 2015. The convention gathering manga, video games and Japanese contemporary culture enthusiasts run for four days. (Photo by Laurent Gillieron/EPA)

Young Egyptian women run in the Mohandiseen district in Cairo, Egypt, Friday, April 10, 2015. Runners take advantage of Cairo's empty streets during the Muslim holy day of Friday, when traffic is sparse. There are precious few spaces to run and private clubs that are suitable for running are prohibitively expensive for many. (Photo by Amr Nabil/AP Photo)

Iraqi orphans, four girls at center, and members of the Iraqi Artists Association perform a skit during an event organized by the association in Baghdad, Iraq, Saturday, April 4, 2015. Members of the association and some orphans performed skits and brought gifts to the children to support them. (Photo by Karim Kadim/AP Photo)

A woman holds up a cloth with an image of Jesus' face in red, believed to be from Jesus' blood after his face was wiped with it, during a reenactment of Jesus' last hours at a Stations of the Cross procession during Holy Week in San Juan, Puerto Rico, on Good Friday, April 3, 2015. Good Friday recalls Jesus' death by crucifixion. (Photo by Ricardo Arduengo/AP Photo)

In this April 2, 2015 photo, dog owner Laura Aquilina strolls with her two year old Rottweiler Brutus, who was recently fitted with prosthetics on all four paws, and is currently learning to use them, near Aquilina's home in Loveland, Colo. Brutus lost all four paws to frostbite as a puppy while under care of a breeder, and Aquilina began caring for him about a year ago. (Photo by Brennan Linsley/AP Photo)

Women dressed as angels gather to pose for a group photo before the annual Easter procession during traditional Semana Santa (Holy Week) festivities on April 5, 2015 in Ouro Preto, Brazil. (Photo by Mario Tama/Getty Images)

A youth poses for a portrait in his Roman soldier costume during the “Los Encadenados”, or The Chained Ones, procession on Good Friday during Holy Week in Masatepe, Nicaragua, Friday, April 3, 2015. Good Friday recalls Jesus' death by crucifixion. (Photo by Esteban Felix/AP Photo)

People representing Judas carry chains during the “Los Encadenados”, or The Chained Ones, procession on Good Friday during Holy Week in Masatepe, Nicaragua, Friday, April 3, 2015. (Photo by Esteban Felix/AP Photo)

A youth poses for a portrait in his Judas costume during the “Los Encadenados”, or The Chained Ones, procession on Good Friday during Holy Week in Masatepe, Nicaragua, Friday, April 3, 2015. (Photo by Esteban Felix/AP Photo)

An actor playing the part of Judas is carried away in chains during a Passion of Christ performance called “Los Encadenados”, or The Chained Ones on Good Friday during Holy Week in Masatepe, Nicaragua, Friday, April 3, 2015. (Photo by Esteban Felix/AP Photo)

Crystal Palace's English striker Glenn Murray celebrates scoring their opening goal in front of the Palace supporters during the English Premier League football match between Crystal Palace and Manchester City at Selhurst Park in south London on April 6, 2015. (Photo by Glyn Kirk/AFP Photo)

In this Thursday, April 9, 2015 photo provided by Northern Illinois University meteorology professor Walker Ashley, a funnel cloud moves through near Rochelle, Ill. The National Weather Service says at least two tornadoes churned through six north-central Illinois counties on Thursday evening. (Photo by Walker Ashley/AP Photo)

In this Thursday, April 9, 2015 photo provided by Northern Illinois University meteorology professor Walker Ashley, a funnel cloud moves through near Rochelle, Ill. (Photo by Walker Ashley/AP Photo)

Women in the crowd cover their faces to protect against the smell as authorities display the bodies of the alleged attackers before about 2,000 people in a large open area in central Garissa, Kenya Saturday, April 4, 2015. Authorities displayed the bodies of the alleged attackers involved in the killings at Garissa University College on the bed of a pickup truck that drove slowly past the crowd, which broke into a run in pursuit. (Photo by Ben Curtis/AP Photo)

Servicemen inspect a bike equipped with a mortar during presentation of new samples of Ukrainian-made weapons for the Ukrainian Army at a military base in Novi Petrivtsi outside Kiev, Ukraine, Saturday, April 4, 2015. (Photo by Efrem Lukatsky/AP Photo)

An unexploded rocket in field near the village of Dmitrivka on April 7, 2015. As a tenuous ceasefire brings a lull to Ukraine's yearlong conflict between pro-Russian rebels and Ukrainian troops, the lurking danger of landmines threatens lives as well as economic recovery, particularly on once rich agricultural lands. (Photo by Dimitar Dilkoff/AFP Photo)

The body of an Afghan national army soldier lies in an army vehicle after he opened fire on U.S. troops, in the compound of the provincial governor, Jalalabad, east of Kabul, Afghanistan, Wednesday, April 8, 2015. The Afghan soldier opened fire on U.S. troops in Afghanistan on Wednesday, wounding three before he was shot dead by American troops, an official and an eyewitness said. The incident happened after a meeting between Afghan provincial leaders and a U.S. Embassy official. (Photo by AP Photo)

Celtic dancers perform at the start of the 12th annual Scotland Run in New York's Central Park to kick off Scotland Week festivities, Saturday, April 4, 2015. (Photo by Diane Bondareff/Invision for Scottish Government/AP Images)

Lorenzo Cain #6 of the Kansas City Royals is doused with water by teammate Salvador Perez #13 as they celebrate a 7-5 win over the Chicago White Sox on April 8, 2015 at Kauffman Stadium in Kansas City, Missouri. (Photo by Ed Zurga/Getty Images)

Irish cyclist Sam Bennett of Bora-Argon 18 reacts after falling the 103rd edition of the “Scheldeprijs” one day cycling race, 200 km around Schoten, on April 8, 2015. (Photo by Yorick Jansens/AFP Photo)

Indian forestry officials stand near the carcass of a one-horned rhinoceros which was killed and de-horned by poachers in the Kohora range of Kaziranga, some 250 kms east of Guwahati on April 10, 2015. Illegal rhino horn trade is one of the major environmental issued faced in the rhino-protected areas of Assam, with authorities reporting that some nine one-horned rhinoceroses have been killed in the area in 2015. (Photo by Anuwar Hazarika/AFP Photo)

Jenaya Reed, Shaun Smith, Chris Carmack, and Brooke Hogan attend the 14th Annual Kevin Carters Waiting for Wishes Celebrity Waiters Dinner presented by HCA / TriStar, benefitting The Kevin Carter Foundation and Make-A-Wish® Middle Tennessee on April 7, 2015 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Waiting For Wishes)

A man walks past five cars stacked atop of an old-growth cedar, public artwork by North Vancouver artist Marcus Bowcott entitled “Trans Am Totem”, in Vancouver, British Columbia, Wednesday, April 8, 2015. (Photo by Darryl Dyck/AP Photo/The Canadian Press)

Visitors take pictures of each other among the flowers in the Keukenhof on Easter Monday in Lisse, The Netherlands, April 6, 2015. The world's second largest flower park, that is visited by almost one million people from all over the world annually, is open from 20 March to 17 May. This year it's Vincent van Gogh year in the park. (Photo by Jerry Lampen/EPA)

Goats graze on tree leaves in Omdurman, Sudan, Friday, April 10, 2015. (Photo by Mosa'ab Elshamy/AP Photo)

This picture taken on April 7, 2015 shows two men attempting to push a car out of floodwaters after a storm swept Changsha, central China's Hunan province. (Photo by AFP Photo/Stringer)

Romanians sit next to fires in a cemetery during Orthodox Palm Sunday memorial for the departed in Herasti, southern Romania, early Sunday, April 5, 2015. Orthodox believers gather at midnight, light fires at the graves and share food in memory of their dead relatives. (Photo by Vadim Ghirda/AP Photo)

Russian Orthodox Patriarch Kirill releases a white dove to mark the Annunciation Day in the Kremlin in Moscow, Russia, April 7, 2015. Annunciation is one of twelve main holidays of Christianity and celebrates the Annunciation of the Blessed Virgin Maria by Archangel Gabriel (Gavriil) that she will give birth to Jesus Christ. (Photo by Maxim Shipenkov/EPA)

Erle Bridgewater reads information near the artwork of Jeff Whipple, Wednesday, April 8, 2015, in Jacksonville, Fla., during One Spark 2015, a crowdfunding event with over 500 projects. (Photo by Bob Mack/AP Photo/The Florida Times-Union)

In this Monday, April 6, 2015 photo, a Russian MI 17 chopper, carrying cargo for Everest expeditions, flies in front of Mount Thamserku in Syangboche, Nepal. Climbers are returning to Mount Everest as the climbing industry recovers from last year's deadly disaster on the world's highest peak, a Nepalese mountaineering official said on April 1. The popular spring climbing season began last month and runs until the end of May. (Photo by Tashi Sherpa/AP Photo)

A council worker washes off green paint on a statue of the memorial for Afrikaner hero Paul Kruger in central Pretoria, South Africa, 08 April 2015. The color was supposedly painted on the statue by leftist Economic Freedom Fighters (EFF) party members after a country wide debate started surrounding statues of former white leader of the country. Prominent Afrikaans personalities reportedly are planning to chain themselves to the Paul Kruger statue. (Photo by Kim Ludbrook/EPA)

The statue of one of apartheid's architects Cecil John Rhodes is removed as thousands cheer from the University of Cape Town (UCT), South Africa, 09 April 2015. The colonial era statue has been the centre of contoversy for weeks following student protests calling for it to be taken down. The debate on the presence of colonial era statues in South Africa in the context of transformation and redress in the country since the end of apartheid has spread nationwide. UCT's Council voted 08 April 2015 to remove the statue of the former Cape Colony governor following the student protests. (Photo by Nic Bothma/EPA)

Actor Lucas Valentim, right, plays the role of Jesus during the a Passion of Christ procession on Good Friday during Holy Week in the Rocinha slum of Rio de Janeiro, Brazil, Friday, April 3, 2015. Holy Week commemorates the last week of the earthly life of Jesus Christ culminating in his crucifixion on Good Friday and his resurrection on Easter Sunday. (Photo by Leo Correa/AP Photo)

A Serbian Christian Orthodox priest baptizes a pilgrim in the water of the Jordan River as part of their Easter pilgrimage to the Holy Land on April 7, 2015 at the baptismal site of Kasser el-Yahud. Hundreds of Orthodox Christian pilgrims took a ritual dip in the Jordan River near the West Bank city of Jericho part of their Easter pilgrimage to the Holy Land. (Photo by Gali Tibbon/AFP Photo)

Terezinha Maria de Jesus, right, mother of a 10-year-old boy who was killed by a stray bullet, shouts, “Murderer” at policemen, during a protest in the Alemao slum complex in Rio de Janeiro, Brazil, Saturday, April 4, 2015. Hundreds of people marched through the narrow streets of Rio's largest slum complex in a peaceful demonstration calling an end to the violence that erupts during police operations against suspected drug traffickers. Residents are protesting the shooting deaths of the young boy and a 41-year-old housewife, who were both killed in recent days by stray bullets in separate incidents. (Photo by Leo Correa/AP Photo)