An ultra-Orthodox Jewish boy heats part of gas burner over a fire to remove remains of leaven in preparation for the upcoming Jewish holiday of Passover in the city of Ashdod April 2, 2015. Passover, which starts on Friday, commemorates the flight of Jews from ancient Egypt, as described in the Exodus chapter of the Bible. According to the account, the Jews did not have time to prepare leavened bread before fleeing to the promised land. (Photo by Amir Cohen/Reuters)

Artists pose with the wax figure of Pope Francis displayed in front of Notre Dame Cathedral in Paris, France during a press presentation by the Grevin Wax Museum April 2, 2015. (Photo by Charles Platiau/Reuters)

People look at a Pacific bluefin tuna as it swims in a tank in the Tokyo Sea Life Park in Tokyo, April 2, 2015. All but one of the nearly 160 tuna and bonito fish have died for unknown reasons over recent months, leaving this one tuna the last remaining fish of the vast tank's original population, local media reported. (Photo by Thomas Peter/Reuters)

A resident acting as a Roman soldier hammers a nail on the feet of female penitent Precy Valencia, 44, as she is crucified on a wooden cross during a reenactment of the crucifixion of Jesus Christ on Good Friday in Paombong, Bulacan north of Manila April 3, 2015. (Photo by Ezra Acayan/Reuters)

A performer wears a hat covered with bees at an exhibition hall about beekeeping during the Beijing Agricultural Carnival April 3, 2015. The annual event displaying agricultural products goes on till May 3. (Photo by Kim Kyung-Hoon/Reuters)

A performer wears a hat and outfit covered with bees at an exhibition hall about beekeeping during the Beijing Agricultural Carnival April 3, 2015. (Photo by Kim Kyung-Hoon/Reuters)

Miss Universe Japan Ariana Miyamoto works out at a gym in Tokyo, April 1, 2015. Miyamoto hadn't planned to enter a Japanese beauty contest because she figured her multiracial origins meant she couldn't win. Then a close multiracial friend committed suicide. (Photo by Toru Hanai/Reuters)

Women run as men throw water at them as part of traditional Easter celebrations, during a media presentation in Szenna, Hungary, April 3, 2015. Locals celebrate Easter with the traditional “watering of the girls”, a fertility ritual rooted in Hungarian tribes' pre-Christian past, going as far back as the second century after Christ. (Photo by Laszlo Balogh/Reuters)

Hungarian dance as part of traditional Easter celebrations, during a media presentation in Szenna April 3, 2015. (Photo by Laszlo Balogh/Reuters)

A man throws water on two women as part of traditional Easter celebrations in Szenna, Hungary on April 3, 2015. (Photo by Laszlo Balogh/Reuters)

Sumo wrestlers perform a show fight during the “Honozumo” ceremonial sumo tournament at the Yasukuni Shrine in Tokyo April 3, 2015. (Photo by Thomas Peter/Reuters)

A penitent, dressed as Jesus Christ, reacts as he carries a cross during a ritual to mark Good Friday in Mumbai April 3, 2015. (Photo by Shailesh Andrade/Reuters)

Faithful attend the “Via Crucis” (Way of the Cross) procession, which commemorates the crucifixion of Jesus Christ, led by Pope Francis at the Colosseum in Rome April 3, 2015. (Photo by Alessandro Bianchi/Reuters)

A devotee takes a holy bath at the Balaju Baise Dhara (22 water spouts) during the Baishak Asnan festival in Kathmandu April 4, 2015. Devotees believe that the water from these stone spouts, which is collected from the catchment area of the Nagarjun forest behind the spouts, will cure pains and skin diseases. (Photo by Navesh Chitrakar/Reuters)

This artist's concept shows the test vehicle for NASA's Low-Density Supersonic Decelerator (LDSD), designed to test landing technologies for future Mars missions. LDSD project will be flying a rocket-powered, saucer-shaped test vehicle into near-space from the Navy's Pacific Missile Range Facility on Kauai, Hawaii, in June. (Photo by NASA)

An Iraqi military helicopter prepares to attack Islamic State extremists in Tikrit, 80 miles (130 kilometers) north of Baghdad, Iraq, Tuesday, March 31, 2015. Iraqi forces battled Islamic State militants holed up in downtown Tikrit, going house to house Tuesday in search of snipers and booby traps, and the prime minister announced security forces had reached the city's center. (Photo by Khalid Mohammed/AP Photo)

Water and other liquids run out at the Albanian village of Marinze, 130 kilometers (80 miles) south of the capital Tirana Thursday April 1, 2015. Albanian authorities are evacuating residents of Marinze following an explosion at a Canadian-owned oil well. No injuries were reported. A statement from the Calgary-based Bankers Petroleum Ltd. said an “uncontrolled leak of natural gas occurred during drilling operation”. (Photo by Hektor Pustina/AP Photo)

Shad Moss, left, and Erica Mena arrive at the premiere of “Furious 7” at the TCL Chinese Theatre IMAX on Wednesday, April 1, 2015, in Los Angeles. (Photo by Matt Sayles/Invision/AP Photo)

Japanese Zen practitioners, “Komuso”, in traditional religious outfit parade, playing the bamboo flute, or shakuhachi, as cherry blossoms are in full bloom at Ueno park in Tokyo, Thursday, April 2, 2015. (Photo by Shizuo Kambayashi/AP Photo)

Japan's Shinji Okazaki (R) and Uzbekistan's Lutfulla Turaev dive into the net after Japan's Gaku Shibasaki (not in picture) scored during their international friendly soccer match in Tokyo March 31, 2015. (Photo by Yuya Shino/Reuters)

Chinese tourists take photographs at Red Square during a snowfall in Moscow, Russia, Friday, April 3, 2015. (Photo by Alexander Zemlianichenko/AP Photo)

Protesters outside the London Central Mosque and Islamic Cultural Centre in London on April 3, 2015. Far-right protesters have clashed with Muslims attending afternoon prayers. Around 100 members of Britain First and the English Defence League shouted and chanted outside the London Central Mosque and Islamic Cultural Centre as hundreds of men, women and children moved inside for prayers. Some protesters chanted anti-Islamic messages, while others waved banners and placards. (Photo by Hannah McKay/PA Wire)

A flagellant walks around town on Holy Wednesday on April 1, 2015 in San Fernando, Philippines. Every year during Holy Week, hundreds of penitents perform acts of penance such as self-flagellation, walking barefoot and carrying a cross in San Fernando, Pampanga. (Photo by Mark Cristino/Barcroft Media)

Filipino nuns carry wooden crosses as they make the Stations of the Cross at the Philippine Center of Saint Pio of Pietrelcina on Wednesday, April 1, 2015 in suburban Quezon city, east of Manila, Philippines. Devotees practice different religious rites during the Holy Week in this predominantly Roman Catholic country. (Photo by Aaron Favila/AP Photo)

A woman looks at the painting “Implementing the Resolutions of the 26th Party Congress” by Andrei Bondarev at the exhibition “Hyperrealism. When Reality Becomes Illusion” at the Tretyakov Gallery on Krymsky Val in central Moscow on April 1, 2015. The exhibition runs from 13 March to 26 July. (Photo by Kirill Kudryavtsev/AFP Photo)

Chinese soldiers (L) keep watch as Chinese people prepare to depart for their country during an evacuation from Yemen at a sea port in the western port city of Hodeidah, Yemen, 30 March 2015. Chinese Defense Ministry said on 30 March it was sending a naval fleet to help evacuate its citizens from Yemen as the conflict worsens. The government made the decision after Saudi Arabia launched airstrikes on its southern neighbor last week. (Photo by EPA/Stringer)

A visitor looks at movie props, including a jack-in-the-box (L), during the press opening of the Harry Potter exhibition at the Cite du Cinema in Paris, France, 02 April 2015. The exhibition runs from 04 April to 06 September. (Photo by Etienne Laurent/EPA)

Strong winds carrying sand and dust with them created a landscape with small sand dunes at the border of Apostag, 100 kms south of Budapest, Hungary, 03 April 2015. The Hungarian Meteorological Service (OMSZ) on 01 April had reportedly ordered a first degree warning for eight counties and commanded a second degree warning to nine counties in the country. First degree (or yellow) warning means that the strength of the wind is expected to be over 70 km/h, the second degree (or orange) warning is issued when the wind will likely be stronger than 90 km/h. (Photo by Sandor Ujvari/EPA)

Indian carpenter Mohinder Singh Lotay (R) poses with his son Amandeep Singh Lotay and their handmade five seater wooden car at their home in Patiala on April 1, 2015. They claim the car which cost Indian Rupees 400,000 (USD 6,400) to make and is based on the engine of a Maruti 800 with teak bodywork can attain a top speed of 120kms per hour and has an economy level of 16kms per litre. (Photo by AFP Photo/Stringer)

Damian McKenzie of the Chiefs collects the high ball during the round seven Super Rugby match between the Chiefs and the Cheetahs at Waikato Stadium on March 28, 2015 in Hamilton, New Zealand. (Photo by Phil Walter/Getty Images)

Black Revolver from the Chris Waller stable is washed down during Melbourne Racing at Mornington Racecourse on March 28, 2015 in Melbourne, Australia. (Photo by Vince Caligiuri/Getty Images)

People lie on the edge of a cliff to view the Colorado River at Horseshoe Bend on March 30, 2015 in Page, Arizona. As severe drought grips parts of the Western United States, a below average flow of water is expected to flow through the Colorado River Basin into two of its biggest reservoirs, Lake Powell and Lake Mead. Lake Powell is currently at 45 percent of capacity and is at risk of seeing its surface elevation fall below 1,075 feet above sea level by September, which would be the lowest level on record. The Colorado River Basin supplies water to 40 million people in seven western states. (Photo by Justin Sullivan/Getty Images)

Bombers head coach James Hird walks past a painting dedicated to the 1984 and 1985 premiership teams before his press conference at Essendon Bombers headquarters after Essendon players were found not guilty from the AFL's anti-doping tribunal today from the investigation into alleged use of banned substances on March 31, 2015 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

People celebrate the Cultural and Art Festival of King Bamboo on March 31, 2015 in Zhenning Buyei and Miao Autonomous County, Guizhou province of China. About one thousand ethnic Miao people dressed in their holiday best celebrate the Cultural and Art Festival of King Bamboo in south China's Guizhou province. It's said that the Festival Of King Bamboo had existed more that two thousand years and had been listed as one of Guizhou Intangible Cultural Heritage. (Photo by ChinaFotoPress/Getty Images)

Relatives apply makeup to the face of a Tai Yai boy during the Poy Sang Long Festival on April 1, 2015 in Mae Hong Son, Thailand. Poy Sang Long is a Buddhist novice ordination ceremony of the Shan people or Tai Yai, an ethnic group of Shan State in Myanmar and northern Thailand. Young boys aged between 7 and 14 are ordained as novices to learn the Buddhist doctrines. (Photo by Taylor Weidman/Getty Images)

Tai Yai boys take part in a ceremony during the Poy Sang Long Festival on April 1, 2015 in Mae Hong Son, Thailand. (Photo by Taylor Weidman/Getty Images)

Tai Yai boys wait for a ceremony to start during the Poy Sang Long Festival on April 1, 2015 in Mae Hong Son, Thailand. (Photo by Taylor Weidman/Getty Images)

A man wears glasses and body paint adorned with the logo of Nigeria's main opposition All Progressives Congress (APC) as residents await results of the presidential election in Abuja, on March 30, 2015. Nigerians awaited the first results of a closely fought general election, despite protests over the conduct of the vote and calls for calm given fears of a repeat of post-poll violence. The presidential election pitting President Goodluck Jonathan against former military ruler Muhammadu Buhari is the closest in Nigeria's history, and first to present a credible opposition challenge. (Photo by Pius Utomi Ekpei/AFP Photo)

A young penitent plays his drum as he rests on a corner of one old street in the procession of the “Santa Veracruz” brotherhood, during Holy Week in Calahorra, northern Spain, Tursday, April 2, 2015. (Photo by Alvaro Barrientos/AP Photo)