Rio 2016 Olympic mascot Vinicius is seen on the top of the Sugarloaf cable car, to mark 500 days to go until the Opening Ceremony of the 2016 Olympic Games in Rio de Janeiro, in this handout photograph released March 24, 2015. (Photo by Alex Ferro/Reuters/Rio 2016)

Locals gather near a flooded road after heavy rains in Copiapo city, March 25, 2015. Heavy rains hit Chilean northern cities at the Atacama region, in an unusual weather phenomenon,with no report of deaths or injuries, according to local media. (Photo by Reuters/Stringer)

Students help a woman as they run away away from tear gas during a protest in Tegucigalpa March 25, 2015. Students clashed with police during a protest against a change in their class schedule as part of an education reform proposed by the governnment, local media reported. (Photo by Jorge Cabrera/Reuters)

Policemen carry an injured colleague during a protest in Tegucigalpa March 25, 2015. (Photo by Jorge Cabrera/Reuters)

A woman looks at the Permanent Memorial to Honour the Victims of Slavery and the Transatlantic Slave Trade “The Ark of Return”, after the unveiling event at the U.N. headquarters in New York, March 25, 2015. (Photo by Eduardo Munoz/Reuters)

A Tornado is seen in Sand Springs, Oklahoma, March 25, 2015. A storm system produced at least three tornadoes in Arkansas and Oklahoma on Wednesday, killing one person and injuring several others, officials said. (Photo by Jeff Piotrowski/Reuters)

People dressed as oil drops promoting an oil company dance with drummers supporting India's cricket team during the Cricket World Cup semi-final match against Australia in Sydney, March 26, 2015. (Photo by Steve Christo/Reuters)

A Chinese tourist strikes a similar pose to statues as they visit the Grand Palace in Bangkok March 23, 2015. Public outrage forced the Thai government to issue thousands of Chinese-language etiquette manuals last month in an effort to ensure sightseers behave themselves. (Photo by Chaiwat Subprasom/Reuters)

A woman holds a banner bearing portraits of victims of sunken ferry Sewol next to Buddhist believers performing during a “three steps one bow” ceremony to urge the government to salvage the sunken ferry Sewol as soon as possible, in central Seoul March 26, 2015. Family members of the victims of last year's deadly ferry sinking called on the government on Tuesday to make a decision on the recovery of the submerged ship before the first anniversary of the tragedy, according to a local news agency. More than 300 people, most of them students and teachers from the Danwon High School, are dead or missing and presumed dead after the April 16 disaster last year. The Sewol ferry, weighing almost 7,000 tons, sank on a routine trip from the port of Incheon, near Seoul, to the southern holiday island of Jeju. Nine are still listed as missing. (Photo by Kim Hong-Ji/Reuters)

Members of Trio Bellissimo perform during a rehearsal for the new show of Swiss National-Circus Knie in the town of Rapperswil east of Zurich March 26, 2015. Circus Knie starts its 2015 nationwide tour later today. (Photo by Arnd Wiegmann/Reuters)

Smoke and lava spew from the Villarrica volcano, as seen from Pucon town in the south of Santiago March 26, 2015. The Villarrica Volcano expelled smoke as scientists warn the concentration of lava, contained within the structure, is close to the crater. On March 3 a short-lived eruption of ash and rock led to the evacuation of thousands from the nearby area. Authorities have restricted access to the area within 5 kilometres (3 miles) of the crater and have put the area under an orange alert due to the volcano's “heightened unrest and increased likelihood of eruption”. (Photo by Cristobal Saavedra/Reuters)

Shi'ite Muslim rebels hold up their weapons during a rally against air strikes in Sanaa March 26, 2015. Warplanes from Saudi Arabia and Arab allies struck Shi'ite Muslim rebels fighting to oust Yemen's president on Thursday, in a major gamble by the world's top oil exporter to check Iranian influence in its backyard without direct military backing from Washington. (Photo by Khaled Abdullah/Reuters)

Clowns participate in the March for Peace, Life and Justice in downtown San Salvador March 26, 2015. Thousands of people participated in the march organizated by the Salvadoran goverment as an answer against the violence in El Salvador, according to local media. (Photo by Jose Cabezas/Reuters)

Rosa Coila walks on rocks inside her home at Miguel Grau street after a massive landslide in Chosica March 26, 2015. Seven people were killed and more were feared dead in Peru after a massive landslide buried parts of a town amid heavy rains, authorities said on Tuesday. Residents of the street Miguel Grau of Chosica aided by soldiers and police has begun to remove the mud and rocks from their homes after the landslide. Some continue to live in houses but other have evacuated. (Photo by Mariana Bazo/Reuters)

Locals gather in front of a flooded area at Chanaral town, March 26, 2015. The death toll in Chile rose to seven after rains battered the north and caused flooding, the government said on Thursday, while 19 others were unaccounted for as the military rushed to rescue stranded villagers. (Photo by Ivan Alvarado/Reuters)

A rescue worker stretches his hand to help a local cross a mud covered street in Chanaral, Chile, Friday, March 27, 2015. Unusually heavy thunder storms, torrential rains and overflowing rivers that began on Tuesday left tons of mud covering communes of northern Chile desert, that left at least nine dead and villages without water, electricity or communications. (Photo by Pablo Sanhueza/AP Photo)

Female soldiers parade to mark the 70th anniversary of Armed Forces Day in Myanmar's capital Naypyitaw, March 27, 2015. The parade commemorates the day when independence hero General Aung San gave the command to the units of the independence army to launch nation-wide resistance against Japanese occupation. (Photo by Soe Zeya Tun/Reuters)

A Chinese-made portable media player, which North Koreans call “Notel”, is pictured in this photo illustration in Seoul March 25, 2015. The $50 portable media player is providing many North Koreans a window to the outside world despite the government's efforts to keep its people isolated – a symbol of change in one of the world's most repressed societies. (Photo by Kim Hong-Ji/Reuters)

A Chinese-made portable media player, which North Koreans call “Notel”, is seen in Hunchun city, China. (Photo by Reuters/Stringer)

A competitor dressed as Batman skims across the water during the Pond Water Skipping event at Mont Cascades in Cantley, Quebec, Saturday, March 21, 2015. (Photo by Justin Tang/AP Photo/The Canadian Press)

In this February 28, 2015 file photo, Ronda Rousey, right, grapples with Cat Zingano in a UFC 184 mixed martial arts bantamweight title bout in Los Angeles. On Monday, March 23, 2015 Rousey was in Albany, N.Y. and met with Gov. Cuomo and other state leaders in an effort to get mixed martial arts legalized in the state. With the New York State Assembly set to vote on the sport, the state remains the only holdout by prohibiting professional mixed martial arts. (Photo by Mark J. Terrill/AP Photo)

MotoGP rider Valentino Rossi of Italy, center, performs a wheelie during a free practice at the Losail International Circuit in Doha, Qatar, Thursday, March 26, 2015. (Photo by Osama Faisal/AP Photo)

In this handout image provided by the Volvo Ocean Race, Leg 5 to Itajai onboard Abu Dhabi Ocean Racing. Luke “Parko” Parkinson swings out over the southern ocean to tie a changing sheet on the FRO at sunset on March 23, 2015. The Volvo Ocean Race 2014-15 is the 12th running of this ocean marathon. Starting from Alicante in Spain on October 04, 2014, the route, spanning some 39,379 nautical miles, visits 11 ports in eleven countries (Spain, South Africa, United Arab Emirates, China, New Zealand, Brazil, United States, Portugal, France, The Netherlands and Sweden) over nine months. The Volvo Ocean Race is the world's premier ocean yacht race for professional racing crews. (Photo by Matt Knighton/Abu Dhabi Ocean Racing/Volvo Ocean Race via Getty Images)

Ministry of Defence handout photo of the Bermondsey bomb being destroyed by the Army near the River Thames at Cliffe in Kent on March 25, 2015. The unexploded Second World War 1,000lb ordnance Bomb was found by construction workers in Bermondsey, south-east London on the old site of the Southwark Irish Pensioners Centre. (Photo by Richard Watt/PA Wire)

The U. S. Coast Guard cutter Mackinaw, left, works in thick ice to break out the freighter Edwin Gott in Whitefish Bay of Lake Superior, Friday, March 27, 2015. The shipping season began three days earlier, but heavy ice in the eastern end of the lake has a fleet of icebreakers working to open shipping channels for shipping. (Photo by John L. Russell/AP Photo)

Melanie Martinez appears at Perez Hilton's One Night in Austin at the Austin Music Hall at SXSW on Saturday, March 21, 2015, in Austin, Texas. (Photo by John Davisson/Invision/AP Photo)

A member of the Paraguayan youth orchestra “Sonidos de la Tierra” (Sounds of the Earth) performs with intruments made with recycled materials during the festival “Somos H2O” (We are H2O) to commemorate the World Water Day in Asuncion, Paraguay, 22 March 2015. (Photo by Andres Cristaldo/EPA)

A man surfs a wave on the “Eisbach” creek in the English Garden in Munich, Germany, 23 March 2015. The wave, that can be surfed during the entire year, is a very popular surfing spot. (Photo by Peter Kneffel/EPA)

Mahouts return home with their elephants carrying grass to feed them on the eve of the rhino census in Kaziranga National Park in Assam state, India, 24 March 2015. Kaziranga will be closed to visitors for the next two days for a census of the rhinos commencing 25 March, in a previous census in 2013 in the park the population of the Indian rhinos was 2329. (Photo by EPA/Stringer)

A woman relaxes on a bench next to pelicans basking in the sunshine on a spring day in Saint James Park in central London on March 11, 2015. (Photo by Justin Tallis/AFP Photo)

A snowboarder threads his way through patches of dirt at Squaw Valley Ski Resort, March 21, 2015 in Olympic Valley, California. Many Tahoe-area ski resorts have closed due to low snowfall as California's historic drought continues. (Photo by Max Whittaker/Getty Images)

A woman looks at a litter of puppies on a basket during a mass for San Lazaro (Saint Lazarus), at Monimbo neighbourhood in Masaya, some 35 km south of Managua, on March 22, 2013. According to tradition in Nicaragua, faithfuls ask San Lazaro for the health of their dogs and pay these favours back by bringing their pets dressed in costumes to attend mass in honour of the saint. (Photo by Inti Ocon/AFP Photo)

Lance Corporal Liam Seer-Boylan of the 1st Battalion Grenadier Guards holds an original Waterloo Bugle during the official launch of this summer's Beating Retreat on Horse Guards Parade on March 23, 2015 in London, England. The instrument, recovered from the battlefield alongside a Drummer and his book of bugle calls, will be played for the first time in 200 years during the Beating Retreat concert on Horse Guards Parade on the 10th and 11th of June. The summer concert will commemorate the 200th anniversary of the Battle of Waterloo. (Photo by Rob Stothard/Getty Images)

A doctor holds a prosthetic hand for a baby in a temporary border hospital on March 23, 2015 in Reyhanli, Turkey. Turkey has one of the largest populations of Syrian refugees fleeing the ongoing civil war with official estimates currently at 1.6 million. Border towns such as Reyhanli have received a large number of refugees though other refugees have settled as far afield as Istanbul. (Photo by Carl Court/Getty Images)

Abdulaziz Bastin (L), a prosthetics technician from Belgium, adjusts a new leg given to Omar Hawt who lost his left leg in a barrel bomb attack on Aleppo in Syria at a temporary border hospital on March 23, 2015 in Reyhanli, Turkey. Turkey has one of the largest populations of Syrian refugees fleeing the ongoing civil war with official estimates currently at 1.6 million. Border towns such as Reyhanli have received a large number of refugees though other refugees have settled as far afield as Istanbul. (Photo by Carl Court/Getty Images)

Low water levels are visible at Lake McClure on March 24, 2015 in La Grange, California. More than 3,000 residents in the Sierra Nevada foothill community of Lake Don Pedro who rely on water from Lake McCLure could potentially run out of water in the near future if the severe drought continues. Lake McClure is currently at 7 percent of its normal capacity and residents are under mandatory 50 percent water use restrictions. (Photo by Justin Sullivan/Getty Images)

Pensioner Volker Kraft stands next to an apple tree decorated with approximately 10,000 Easter eggs on the property of pensioner Volker Kraft on March 25, 2015 in Saalfeld, Germany. Kraft and his wife have been decorating the tree since the early 1990s, initially with only a few hundred eggs but more annually ever since. In recent years the tree has become a tourist attraction that draws thousands of visitors in the weeks before Easter. (Photo by Jens Schlueter/Getty Images)

A hot air balloon rises over Innes Common Park during the Balloons over Waikato Festival on March 27, 2015 in Hamilton, New Zealand. Balloon enthusiasts from around New Zealand and the world gather annually for the five-day event in Waikato, NZ. (Photo by Hannah Peters/Getty Images)

Rugby fans are seen during the first day of the rugby sevens tournament in Hong Kong on March 27, 2015. (Photo by Philippe Lopez/AFP Photo)