In this undated image made available Saturday March 14, 2015 by Finland's National Ballet and the Finnish National Opera, members of the Finnish National Ballet Tiina Myllymaki performs at the Finnish National Opera in Helsinki. A nearly two-hour ballet produced by the Finnish National Opera and performed by dancers of the Finnish National Ballet entitled “The Moomin and the Comet”, is based on Finnish illustrator and writer Tove Jansson's book from 1946. It tells the story of a perilous journey to a mountaintop observatory in the wake of an approaching comet that could destroy Moomin Valley. (Photo by Mirka Kleemola/AP Photo/Finnish National Ballet)

Indians carry the body of a leopard in Gauhati, in the northeastern Indian state of Assam, Friday, March 13, 2015. The leopard fell into narrow cave near a temple and died before it could be rescued, according to the Press Trust of India. Due to habitat loss, leopards sometimes enter populated areas in search of food. (Photo by AP Photo/Press Trust of India)

In Wednesday, March 11, 2015 photo, an Afghan refugee family return to Afghanistan through Pakistan's border crossing, Torkham, east of Kabul, Afghanistan. Since January, almost 50,000 Afghan families have passed through Torkham, double the amount of all refugees returning through the border town in 2014, according to the International Organization for Migration. Many say they fled Pakistan over increased harassment by police who told them to return to Afghanistan, a country many have never even seen, putting new pressure on both countries to find solutions to the decades-old flow of refugees. (Photo by Rahmat Gul/AP Photo)

The Dent Blanche mountain is illuminated with pyrotechnics during the 13 stars on the summit event, in “Les Hauderes” Val d'Herens, Switzerland, Wednesday, March 18, 2015. The 13 stars on the summit event is part of the celebration of the 200th anniversary of Valais membership in the Swiss Confederation. 13 mountains of the Swiss Alps have been illuminated simultaneously during 3 minutes. (Photo by Denis Emery/AP Photo/Keystone)

A tourist, right, rides a horse-drawn carriage locally known as “Kalesa” around the historic walled city of Intramuros in Manila, Philippines on Monday, March 16, 2015. The tour costs P350 (about US$8) per passenger. (Photo by Aaron Favila/AP Photo)

An Indian Army soldier takes a horse over a jump at a combined display with trainees from the Officers Training Academy (OTA) in Chennai, India, Friday, March 13, 2015. A total of 185 cadets will be passing out from the OTA on Saturday. (Photo by Arun Sankar K./AP Photo)

A father and son (L) on a makeshift boat made from styrofoam paddle through a garbage filled river as they collect plastic bottles that they can sell in junkshops in Manila on March 19, 2015. They earn three US dollars a day. The Philippines will be observing World Water day on March 22, a global event that focuses on finding access to clean and safe water. (Photo by Noel Celis/AFP Photo)

A monster float takes part in the yearly Cape Town Carnival held in the city of Cape Town, South Africa, Saturday, March 14, 2015. Thousands of South African and tourist gather to see the yearly Cape Town Carnival bringing in thousands of revenue for the City. (Photo by Schalk van Zuydam/AP Photo)

Two people fly a kite in Seal Beach, Calif., on a breezy Sunday, March 15, 2015. The expected heat was diminished by cloud cover. (Photo by Ana Venegas/AP Photo/The Orange County Register)

Miley Cyrus appears onstage for a Mike Will Made It performance at the Fader Fort Presented by Converse during the SXSW Music Festival on Thursday, March 19, 2015 in Austin, Texas. (Photo by Jack Plunkett/Invision/AP Photo)

A worker checks the quality of golden colored eggs at the Baumeister Frischei (fresh egg) company in Breckerfeld, Germany, Tuesday, March 17, 2015. 100,000 colored boiled eggs leave the egg paint factory every day. Baumeister eggs are well known for their different and difficult paintings. Painted eggs are common in Christian traditions during Easter. (Photo by Frank Augstein/AP Photo)

U.S. first lady Michelle Obama (L) gets caught a bump before shaking hand with Emperor Akihito (C) and Empress Michiko at the Imperial Palace in Tokyo March 19, 2015. Michelle Obama flew in to Japan on Wednesday for a three-day visit as part of the Let Girls Learn international girls education initiative. (Photo by Eugene Hoshiko/Reuters)

U.S. first lady Michelle Obama plays the taiko drum with the Akutagawa High School Taiko Club members during her visit to Fushimi Inari Shinto Shrine in Kyoto in western Japan Friday, March 20, 2015. (Photo by Koji Sasahara/AP Photo)

A Nicaraguan man holding a representation of Venezuela's national flag, pets Bambi the goat, as he waits for the start of a march, organized to show solidarity with the South American country, in Managua, Nicaragua, Friday, March 13, 2015. In an unannounced visit, Venezuela's President Nicolas Maduro and his wife Cilia Flores landed at the international airport Friday evening, and participated in the march led by President Daniel Ortega. (Photo by Esteban Felix/AP Photo)

A woman waves a representation of Venezuela's national flag in front of monument honoring Venezuela's late president Hugo Chavez, during a march led by President Daniel Ortega to show solidarity with the South American country, in Managua, Nicaragua, Friday, March, 13, 2015. (Photo by Esteban Felix/AP Photo)

A eunuch dances during a rally to mark the congregation of thousands of eunuchs from different parts of India, in Jammu, India, Friday, March 13, 2015. The term eunuchs is used in India to describe transvestites, transsexuals and others who identify themselves as neither male nor female but as a member of a third gender. They traditionally survive by begging, dancing at weddings or blessing newborn babies and are frequently subjected to discrimination. (Photo by Channi Anand/AP Photo)

University of California Berkeley student Kristian Kim throws fake money while starting a protest during a UC Board of Regents meeting in San Francisco, Wednesday, March 18, 2015. Gov. Jerry Brown has opposed University of California President Janet Napolitano plan to increase tuition by up to 5 percent in each of the next five years. (Photo by Jeff Chiu/AP Photo)

Lily James and Sophie McShera share a joke upon arrival at the premiere of the film Cinderella in London, Thursday, 19 March, 2015. (Photo by Joel Ryan/Invision/AP Photo)

NHRA top fuel dragster driver Larry Dixon crashes after his car broke in half during qualifying for the Gatornationals at Auto Plus Raceway at Gainesville, FL, on March 14, 2015. Dixon walked away from the incident. (Photo by Mark J. Rebilas/USA Today Sports)

Sweetwater Jaycees clean and skin rattlesnakes at the Sweetwater Jaycees World's Largest Rattlesnake Roundup, Friday, March 13, 2015, in Sweetwater, Texas. (Photo by Courtney Sacco/AP Photo/Odessa American)

Makenna Thurman cleans and skins a rattlesnake at the Sweetwater Jaycees World's Largest Rattlesnake Roundup in Sweetwater, Texas on Friday, March 13, 2015. (Photo by Courtney Sacco/AP Photo/Odessa American)

A huge poster shows a model wearing jeans and part of a nun's habit, on a building in Naples March 11, 2015. Rosso di Sera, an Italian ready-to-wear clothing chain, has caused a stir by putting up the huge publicity poster of a semi-nude woman dressed as a nun in Naples less than two weeks before Pope Francis is due to visit the southern port city. (Photo by Ciro De Luca/Reuters)

A protestor wearing a mask and a fake riot police uniform takes part in rally at the “Club de la Union” stairs in Santiago March 11, 2015, supporting the towns of Salamanca and Caimanes in the Choapa River Valley who had been blocking access to Los Pelambres mine. Copper miner Antofagasta said on Wednesday it had reached a deal with protesters who had been blocking access to its Los Pelambres mine in Chile, affecting output. Last week, Antofagasta Minerals, a unit of Antofagasta PLC, said output at its key Los Pelambres mine had been reduced by about 5,000 tonnes, as demonstrators from the town of Salamanca in the Choapa River Valley had blocked access to the mining complex. Local communities had blamed the mine for water shortages and said they wanted a desalination plant built. (Photo by Ivan Alvarado/Reuters)

American Idol XIV finalist Jax jumps in the air during Fox's American Idol XIV Finalist Party at The District Restaurant in Los Angeles, California March 11, 2015. (Photo by Jonathan Alcorn/Reuters)

A staff member poses with dresses from the Alexander McQueen Plato's Atlantis spring/summer 2010 collection in the Alexander McQueen: Savage Beauty exhibition at the V&A in London, March 12, 2015. (Photo by Suzanne Plunkett/Reuters)

A racegoer enjoys day one of the Cheltenham Festival at Cheltenham Racecourse in Cheltenham, United Kingdom on March 12, 2015. (Photo by Dylan Martinez/Reuters)

A demonstrator wearing a Guy Fawkes mask (R) holds a sign during a protest against the dismissal of two investigative journalists Daniel Lizarraga and Irving Huerta from a news programme on MVS Radio, outside the station in Mexico City March 12, 2015. Lizarraga and Huerta were fired for “breach of trust”, the station said in a statement Thursday morning. The sign, referring to Carmen Aristegui, anchor of the radio news programme, reads, “Wanted for reporting the truth. Reward. Carmen Aristegui, enemy number one of the corrupt government”. (Photo by Edgard Garrido/Reuters)

Cast member Sean Penn and actress Charlize Theron arrive at the premiere of “The Gunman” in Los Angeles, California March 12, 2015. The movie opens in the U.S. on March 20. (Photo by Mario Anzuoni/Reuters)

A protester covers himself in red paint before the Annual General Shareholders Meeting of Spain's second biggest bank BBVA at the Palacio Euskalduna in Bilbao March 13, 2015. The protesters, who shouted slogans, are against what they say is the bank's relationship to the defence industry. (Photo by Vincent West/Reuters)

Guests arrive for the Afghanistan service of commemoration at St Paul's Cathedral in London March 13, 2015. (Photo by Stefan Wermuth/Reuters)

Displaced Iraqi Sunni children from Anbar province, study at Camp Habbaniyah between the cities of Fallujah and Ramadi, March 12, 2015. (Photo by Alaa Al-Marjani/Reuters)

Cadets display their skills during a passing out parade, upon the completion of their basic training at the Police Training College, on the outskirts of Karachi, March 13, 2015. Some 510 cadets successfully completed their basic training at the Police Training College in Karachi, according to the college. (Photo by Athar Hussain/Reuters)

German Chancellor Angela Merkel (R) controls a robot during her visit at the robotic systems manufacture KUKA in Augsburg March 13, 2015. (Photo by Michaela Rehle/Reuters)

A Royal Air Force Chinook forms part of a flypast for a Service of Commemoration for Afghanistan, over London March 13, 2015. Queen Elizabeth and the Prime Minister, along with senior members of the royal family and of the government attended a service at St Paul's Cathedral to commemorate members of the armed forces who died during the 13 year Afghanistan war. (Photo by Carl Court/Reuters)