In this Friday, March 11, 2016 photo, members of Halau Hiiakainamakalehua practice in Honolulu for the upcoming Merrie Monarch Festival, which is the world's most prestigious hula competition. The group is among the competitors heeding calls to avoid using ohia blossoms at this year's competition because of a fungus that's killing the trees that grow them. (Photo by Jennifer Sinco Kelleher/AP Photo)





Hungary's Recirquel rehearse “Paris de Nuit” during the XV Iberoamerican Theatre Festival in Bogota, Colombia, March 14, 2016. (Photo by John Vizcaino/Reuters)





A high water sign is submerged near Lake Bistineau in Webster Parish, Louisiana March 14, 2016. The death toll from storms in Southern U.S. states rose to five as storm-weary residents of Louisiana and Mississippi watched for more flooding on Monday from drenching rains that inundated homes, washed out roads and prompted thousands of rescues. (Photo by Therese Apel/Reuters)





Singer Ricky Martin performs during his One World tour 2016 in Montevideo, Uruguay on March 14, 2016. (Photo by Andres Stapff/Reuters)





Protesters shout as they are escorted out of the building during U.S. Republican presidential candidate Donald Trump's campaign rally at the Tampa Convention Center in Tampa, Florida March 14, 2016. (Photo by Mike Carlson/Reuters)





U.S. President Barack Obama reacts while greeting members of the audience after speaking at the Chief of Missions Conference at the State Department in Washington March 14, 2016. Behind Obama applauding is U.S. Secretary of State John Kerry. (Photo by Kevin Lamarque/Reuters)





Motorists ride to work on a bridge during morning rush hour in Taipei, Taiwan March 14, 2016. (Photo by Tyrone Siu/Reuters)





Members of Special Weapons and Tactics (SWAT) team rappel down during an anti-terror drill in Seoul, South Korea, March 15, 2016. (Photo by Kim Hong-Ji/Reuters)





A sniper from Special Weapons and Tactics (SWAT) team stands next to an advertisement of South Korean police station after an anti-terror drill in Seoul, South Korea, March 15, 2016. (Photo by Kim Hong-Ji/Reuters)





The shackled legs of suspected human traffickers are seen as they arrive for their trial at the criminal court in Bangkok, Thailand, March 15, 2016. (Photo by Chaiwat Subprasom/Reuters)





A coffin arrives at Kirkleatham memorial park, England on March 15, 2016, for the funeral of Mick Collings, a keen motorcyclist, who died in the Didcot power station accident. (Photo by Owen Humphreys/PA Wire)





A rocket warhead tip is in flames during a simulated test of atmospheric re-entry of a ballistic missile, at an unidentified location in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on March 15, 2016. (Photo by Reuters/KCNA)





North Korean leader Kim Jong Un looks at a rocket warhead tip after a simulated test of atmospheric re-entry of a ballistic missile, at an unidentified location in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on March 15, 2016. (Photo by Reuters/KCNA)





Unqualified fruits imported from Spain are being destroyed in Tianjin, China, March 15, 2016. (Photo by Reuters/Stringer)





Fruits imported from Spain which failed to pass quality checks are destroyed in Tianjin, China, March 15, 2016. (Photo by Reuters/Stringer)





United Nations High Commissioner for Refugees (UNHCR) Special Envoy Angelina Jolie reacts as it rains during a news conference during her visit to Syrian refugees in the Bekaa valley, Lebanon March 15, 2016. March 15 marks the 5th anniversary of peaceful protests against Assad, leading to the devastating civil conflict in the country. (Photo by Mohamed Azakir/Reuters)





Russian military jets take off from the country's air base in Hmeymin, Syria to head back to Russia, part of a partial withdrawal ordered by President Vladimir Putin, in this still image taken from video March 15, 2016. (Photo by Reuters/Russian Ministry of Defence)





A Russian military pilot is greeted upon his return from Syria to a home airbase during a welcoming ceremony in Buturlinovka in Voronezh region, Russia March 15, 2016. (Photo by Vadim Grishankin/Reuters/Russian Ministry of Defence)





An employee holds a 10.10 carat internally flawless blue diamond at Sotheby's auction house in central London, Britain March 15, 2016. The oval fancy vivid blue diamond is expected to fetch between $30-35 million at the auction house's Magnificent Jewels and Jadeite auction in Hong Kong on April 5. (Photo by Stefan Wermuth/Reuters)





Police inspect the scene of a damaged Volkswagen car in the Bismarckstrasse in Berlin, Germany March 15, 2016. German police said they suspect an explosive device caused a car to explode and kill the driver on a road in central Berlin on Tuesday morning. (Photo by Fabrizio Bensch/Reuters)





Rescuers and police officers work around a car after a blast caused by an explosive device killed its driver travelling down a street in central Berlin on March 15, 2016. The blast occurred during peak-hour traffic on Bismarckstrasse, within sight of the Victory Column monument, leaving the front of the car severely dented after it flipped over, while debris was strewn a few metres away. (Photo by Odd Andersen/AFP Photo)





German Chancellor Angela Merkel and Swiss President Johann Schneider-Ammann (R) look at head-mounted display units on the Brother International exhibition stand during a media tour of the world's biggest computer and software fair, CeBit, in Hanover, Germany, March 15, 2016. (Photo by Nigel Treblin/Reuters)





Residents walk by a vehicle, which was damaged during the clashes between security forces and Kurdish militants, as they flee after clashes between security forces and Kurdish militants from Baglar district, which is partially under curfew, in the Kurdish-dominated southeastern city of Diyarbakir, Turkey March 15, 2016. (Photo by Sertac Kayar/Reuters)





The Imperial carriage of former Austrian Emperor Franz Joseph is seen during a press preview of the exhibition “Franz Joseph 1830-1916” in Schoenbrunn palace in Vienna, Austria, March 15, 2016. (Photo by Leonhard Foeger/Reuters)





A police officer runs on top of a roof during a police operation on the site of a shooting in the rue du Dries in Forest-Vorst, Brussels, Belgium, 15 March 2016. A shooting took place during a police raid linked to the Paris terrorist attacks. According to reports, two members of federal police were injured in the operation and police were still searching for the shooter. (Photo by Laurent Dubrule/EPA)





Police at the scene where shots were fired during a police search of a house in the suburb of Forest near Brussels, Belgium, March 15, 2016. (Photo by Yves Herman/Reuters)





A masked Belgian policeman secures the area from a rooftop above the scene where shots were fired during a police search of a house in the suburb of Forest near Brussels, Belgium, March 15, 2016. Teargas is seen at left. (Photo by Francois Lenoir/Reuters)





Police at the scene where shots were fired during a police search of a house in the suburb of Forest near Brussels, Belgium, March 15, 2016. (Photo by Yves Herman/Reuters)





Alaska musher Dallas Seavey, 29, and his dog team run to the finish line of the Iditarod Trail Sled Dog race at 2:20 a.m. local time (10:20 GMT) to claim their fourth Iditarod champion title, in Nome, Alaska, March 15, 2016. Seavey claimed his third straight Iditarod Sled Dog Race title early on Tuesday morning, crossing the finish line in Nome ahead of his father, Mitch Seavey, for the second straight year. (Photo by Diana Haecker/Reuters/The Nome Nugget)





General view of the nuclear power plant in Biblis near Frankfurt, Germany March 15, 2016. (Photo by Ralph Orlowski/Reuters)





A BMW 740i is parked via a remote control key fob by company representative Paul Daman during a demonstration of various brands of self-driving cars on Capitol Hill in Washington March 15, 2016. (Photo by Gary Cameron/Reuters)





Camilla, the Duchess of Cornwall (2nd L) and Principle of the State Stud Farm Djakovo Nidal Korabi (L) look at girls dressed in traditional clothes, in the State Stud Farm in Djakovo, Croatia, March 15, 2016. (Photo by Antonio Bronic/Reuters)





Girls dressed in traditional clothes wait for Camilla, the Duchess of Cornwall (not pictured), at the State Stud Farm in Djakovo, Croatia, March 15, 2016. (Photo by Antonio Bronic/Reuters)





Relatives and friends of Destina Peri Parlak, one of the victims of the suicide bomb attack on March 13, mourn at her coffin during a funeral ceremony in Ankara on March 15, 2016. Turkish warplanes pounded Kurdish rebel bases in northern Iraq on March 14, the day after a suicide car bomb tore through downtown Ankara killing at least 36 people, the third attack on the capital in five months. There was no immediate claim of responsibility for the latest carnage, which reduced cars and buses to charred hulks on a busy road in the heart of the city, wounding more than 120 people. (Photo by Adem Altan/AFP Photo)





A friend of Zeynep Basak Gulsoy, one of the victims of Sunday's suicide bomb attack, mourns next to her coffin during a funeral ceremony in Ankara, Turkey March 15, 2016. (Photo by Umit Bektas/Reuters)





Demonstrators stand still to protest against Sunday's suicide bomb attack, in Ankara, Turkey March 15, 2016. (Photo by Umit Bektas/Reuters)





Artist Freya Clark works on a 3D art installation depicting the destruction in Syria, created with Amnesty International and Oxfam to protest against government violence in Syria, in the Manhattan borough of New York March 15, 2016. (Photo by Brendan McDermid/Reuters)





A Cambodian man rides his motorbike loaded with bananas traveling along a street in Phnom Penh on March 6, 2016. From glitzy malls and high-rise flats to five-star hotels, a luxury building boom in Phnom Penh is transforming a capital once reduced to a ghost town into one of Asia's fastest growing cities. (Photo by Tang Chhin Sothy/AFP Photo)





Visitor Roman Zorin touches a 3D portrait of Russia's President Vladimir Putin at a specialized library for blind and partially sighted people in Krasnoyarsk, Siberia, Russia, March 15, 2016. The portrait was created specially for blind people to understand how Putin looks like through touch, according to library employees. (Photo by Ilya Naymushin/Reuters)





Visitor Roman Zorin touches a 3D portrait of Russia's President Vladimir Putin at a specialized library for blind and partially sighted people in Krasnoyarsk, Siberia, Russia, March 15, 2016. (Photo by Ilya Naymushin/Reuters)





The sculpture “It Takes Two to Tango” by Scottish sculptor David Mach is seen in front of the headquarters of the CMA-CGM shipping company office tower in the port of Marseille, France, March 15, 2016. (Photo by Jean-Paul Pelissier/Reuters)





The sculpture “It Takes Two to Tango” by Scottish sculptor David Mach is seen in front of the headquarters of the CMA-CGM shipping company office tower in the port of Marseille, France, March 15, 2016. (Photo by Jean-Paul Pelissier/Reuters)





People look at the site of a “Dragon Landing”, a promotion for HBO's “Game of Thrones”, in the Manhattan borough of New York March 15, 2016. (Photo by Brendan McDermid/Reuters)





Armed state troopers are seen through a window as they accompany Alabama Gov. Robert Bentley inside Holman prison in Atmore, Ala., on Tuesday, March 15, 2016. Bentley visited the prison in southwest Alabama following two inmate uprisings in four days. Calling the prison archaic, Bentley called on legislators to approve his plan for constructing new prisons. (Photo by Melissa Brown/AP Photo)





An armed pro-Russian militant holds her position inside of a damaged school in Zaytseve village of Donetsk area, Ukraine, 14 March 2016. Pro-Russian rebels attacked Ukrainian army positions at least 44 times in the past 24 hours, including 38 times in the Donetsk sector, five times in the Mariupol sector and once in the Luhansk sector, the press center of the Anti-Terrorist Operation (ATO) reported. (Photo by Alexander Ermochenko/EPA)





Filipino government workers clear rubbish on a river in Manila, Philippines, 15 March 2016. World Water Day will be observed on 22 March with the theme “Better Water, Better Jobs”. (Photo by Francis R. Malasig/EPA)





Eugenie Bouchard from Canada in action against Timea Bacsinszky from Switzerland during their third round match at the BNP Paribas Open tennis tournament in Indian Wells, California, USA, 14 March 2016. (Photo by Mike Nelson/EPA)





A view taken with an extreme wide-angle lens shows a light installation inside the Katharinenkirche church in Frankfurt am Main, Germany, 14 March 2016, as part of the Luminale, the eighth Biennale of Lighting Culture, that runs until 18 March. (Photo by Boris Roessler/EPA)





A wolf sculpture by German artist Rainer Opolka is on display in front of the church Frauenkirche in Dresden, Germany, 14 March 2016. The artwork is part of the exhibition “Die Woelfe sind zurueck” (The Wolves Are Back) featuring 66 wolves scultures made of metal. The art project will be inaugurated on 16 March and protests against xenophobia, hate and right-wing extremism. (Photo by Sebastian Kahnert/EPA)





Primary students take lessons under a makeshift classroom because of lack of proper classrooms at the Eastview School in Caledonia, Harare, Zimbabwe, 14 March 2016. Students most of whom their parents are low income earners and informal traders, learn under very poor facilities. (Photo by Aaron Ufumeli/EPA)





People look at human remains in the bottom of a mass grave at the San Roque cemetery in Puerto Real near Cadiz on March 15, 2016 following a government funded excavation that has determined the executions of hundreds of men and women were carried out over the months of July August September and October 1936. The exhumation project ran by the Historical Memory of Puerto Real and funded by the region of Andalusia began in June 2014 and is expected to be completed in 2016. (Photo by Cristina Quicler/AFP Photo)





A copy of the painting titled “Woman at the Champs-Elysees by Night” by Louis Anquetin, left, is seen in a brothel setting in the Red Light District, as museum director Axel Ruger stands in the doorway of one of three prostitute's rooms set up to promote the Easy Virtue exhibition at the Van Gogh Museum in Amsterdam, Netherlands, Tuesday, March 15, 2016. The Van Gogh Museum is dedicating a new exhibition to the world's oldest profession, examining the fascination for prostitution among artists like Van Gogh, Edgar Degas and Henri de Toulouse-Lautrec. The exhibit can be viewed from from Feb. 19 till June 19, 2016. (Photo by Peter Dejong/AP Photo)





South Korean professional Go player Lee Sedol puts the first stone against Google's artificial intelligence program, AlphaGo, as Google DeepMind's lead programmer Aja Huang, left, sits during the final match of the Google DeepMind Challenge Match in Seoul, South Korea, Tuesday, March 15, 2016. A champion Go player scored his first win over a Go-playing computer program on Sunday after losing three straight times in the ancient Chinese board game, saying he finally found weaknesses in the software. (Photo by Lee Jin-man/AP Photo)





Visitors walk on a road under cherry blossoms surrounded by a tea garden in Yongfu Town of Zhangping City, southeast Chian's Fujian Province on March 15, 2016. (Photo by Jiang Kehong/Xinhua via ZUMA Wire)





Aidan Coleman falls off his horse Beg To Differ during the 2.50 Ultima Handicap Chase at the Cheltenham Racecourse in Cheltenham, England on March 15, 2016. (Photo by Paul Childs/Action Images via ZUMA Press)





A man in an Easter bunny costume walks a sheep and two lambs, during a press conference for the public exhibition “Dresdner Ostern”, in Dresden, Germany on March 15 2016. The exhibition runs from 17-20 March 2016 at the Dresden exhibition grounds. (Photo by Sebastian Kahnert/EPA)





Russian President Vladimir Putin arrives for a meeting with Moroccan King Mohammed VI (unseen) at the Kremlin in Moscow on March 15, 2016. (Photo by Maxim Shipenkov/AFP Photo)





In this Tuesday, December 1, 2015 file photo, a protester wears red tape on her hands to represent boxing, during an anti-corruption demonstration in downtown Nairobi, Kenya. A survey by the Kenyan government's anti-corruption watchdog released Tuesday, March 15, 2016 shows that half of the country's citizens believe corruption has increased under President Uhuru Kenyatta's administration, with 74 percent of the population believing the level of corruption is high. (Photo by Ben Curtis/AP Photo)





A fishermen uses lamps to search for young eels on the Yoshino River in Tokushima, Japan, on Saturday, March 12, 2016. Young eels are approximately 2 inches (5 centimeters) in length. Those caught during fishing season are sold at a price of between 100 yen and 300 yen to farming facilities. (Photo by Buddhika Weerasinghe/Bloomberg)





Red Bull Formula 1 Team driver Daniel Ricciardo poses with models at the TAG Heuer Grand Prix Party at Luminare on March 15, 2016 in Melbourne, Australia. The party was held to celebrate the new partnership between TAG Heuer and the Red Bull Racing Formula 1 Team. (Photo by Scott Barbour/Getty Images)