A man and woman try to help a horse stranded in barbed wire in flood waters on April 22, 2015 near Dungog, Australia. Three people have died and more than 200,000 are still without power as cyclonic winds and rains continue to lash the Sydney, Hunter Valley and Central Coast regions of New South Wales. (Photo by Daniel Munoz/Getty Images)

Lorenza Lawless, a member of the Black Mohawk Mardi Gras Indians, parades with the group at the Jazz and Heritage Festival in New Orleans, Friday, April 24, 2015. (Photo by Gerald Herbert/AP Photo)

An Israeli woman plays with her dogs as she picks buttercups in a field near Kibbutz Nir Yitzhak, located a few kilometers from the Israeli border with the Gaza Strip, Israel, 24 April 2015. The bulbs of the flowers are grown for sale abroad, mostly in Europe. (Photo by Abir Sultan/EPA)

Armenians in Rome commemorate victims of the mass killings of Armenians under the Ottoman Empire during a rally in Rome, Italy, 24 April 2015. On 24 April 1915 the Ottoman Empire started the extermination of its minority Armenian population. A total number of between one and 1.5 million people are believed were killed during the massacre. (Photo by Massimo Percossi/EPA)

Performers in historical costumes rehearse a ceremony at the Canakkale Martyrs' Memorial, which is the biggest memorial to Turkish soldiers killed during the Gallipoli Campaign, ahead of commemorations on April 22, 2015 near Sedd el Bahr, Turkey. Allied and Turkish representatives, as well as family members of those who served, will commemorate the 100th anniversary of the campaign with ceremonies scheduled for April 24-25. The Gallipoli land campaign, in which a combined Allied force of British, French, Australian, New Zealand and Indian troops sought to occupy the Gallipoli peninsula and the strategic Dardanelles strait during World War I, began on April 25, 1915 against Turkish forces of the Ottoman Empire. The Allies, unable to advance more than a few kilometers, withdrew after eight months. The campaign cost the Allies approximately 45,000 killed and up to 200,000 wounded, the Ottomans approximately 85,000 killed and 160,000 wounded. (Photo by Sean Gallup/Getty Images)

Recycled cans and other aluminum products are viewed at the Sims Municipal Recycling Facility, an 11-acre recycling center on the Brooklyn waterfront on April 22, 2015 in New York City. Approximately 19,000 tons of metal, glass and plastic are collected monthly by the Department of Sanitation in New York City. In an Earth Day announcement, New York City mayor Bill de Blasio said that by 2030 New York won't send any of its garbage to out-of-state landfills. The mayor said that instead city garbage will be recycled, composted, or eliminated from the waste stream altogether. (Photo by Spencer Platt/Getty Images)

Nebraska's Ashley Lambert performs her floor exercise routine during the NCAA women's gymnastics championships Friday, April 17, 2015, in Fort Worth, Texas. (Photo by Tony Gutierrez/AP Photo)

Oculto seduces Miami at hot spots throughout town to make secrets at Oculto Manor on Friday, April 17, 2015 in Miami. (Photo by Marc Serota/Invision for Oculto/AP Images)

Oculto seduces Miami at hot spots throughout town to make secrets at Oculto Manor on Friday, April 17, 2015 in Miami. (Photo by Marc Serota/Invision for Oculto/AP Images)

Oculto seduces Miami at hot spots throughout town to make secrets at Oculto Manor on Friday, April 17, 2015 in Miami. (Photo by Marc Serota/Invision for Oculto/AP Images)

Oculto seduces Miami at hot spots throughout town to make secrets at Oculto Manor on Saturday, April 18, 2015 in Miami. (Photo by Marc Serota/Invision for Oculto/AP Images)

Oculto seduces Miami at hot spots throughout town to make secrets at Oculto Manor on Saturday, April 18, 2015 in Miami. (Photo by Marc Serota/Invision for Oculto/AP Images)

A street artist performs in central Florence on 23 April 2015. (Photo by Tiziana Fabi/AFP Photo)

In this June 5, 2014 file photo G36 rifles of manufacturer Heckler&Koch stand in front of soldiers in Sigmaringen, southern Germany. The widely used assault rifle has “no future” with the German military in its current form, Germany's defense minister Ursula von der Leyen said Wednesday, April 22, 2015, escalating a dispute over the weapon's alleged shortcomings. (Photo by Patrick Seeger/AP Photo/DPA)

The Canadarm 2 reaches out to capture the SpaceX Dragon cargo spacecraft and prepare it to be pulled into its port on the International Space Station Friday April 17, 2015. The Canadarm2 robotic arm will maneuver Dragon to its installation position at the Earth-facing port of the Harmony module where it will reside for the next five weeks. (Photo by AP Photo/NASA)

A woman leans back on a cab to pose for pictures for her friends as London taxi drivers block the traffic during their two-hour protest on Oxford Street in London, Tuesday, April 21, 2015. The protest Tuesday was organized by the United Cabbies Group over issues including illegal minicab touting and threats to regulations. (Photo by Matt Dunham/AP Photo)

Julien Godard, dressed as Captain Sparrow, right, poses for souvenir picture prior to the departure of the replica of the frigate Hermione, used to bring French troops and funds to American revolutionaries in 1780, in Fouras, southwest France, on his way for its transatlantic voyage, Saturday, April 18, 2015. The voyage, rich with diplomatic symbolism, will take the 65-meter (213-foot) Hermione along the same path its namesake took under France's Marquis de Lafayette's command 235 years ago, retracing a journey that laid the foundation of French-American relations. (Photo by Francois Mori/AP Photo)

Julien Godard, dressed as Captain Sparrow, right, poses for souvenir picture prior to the departure of the replica of the frigate Hermione, used to bring French troops and funds to American revolutionaries in 1780, in Fouras, southwest France, on his way for its transatlantic voyage, Saturday, April 18, 2015. (Photo by Francois Mori/AP Photo)

Stephen F. Austin's pole vaulter Demi Payne competes in the Drake Relays Street Vault, Wednesday, April 22, 2015, in downtown Des Moines, Iowa. (Photo by Charlie Neibergall/AP Photo)

A young girl runs through a tulip field in Berendrecht, Belgium on Saturday, April 18, 2015. The tulip field will open on Sunday to the general public, and each person will be permitted to pick a bouquet of ten tulips to take home. (Photo by Virginia Mayo/AP Photo)

A competitor passes under a fence through the water during the first Belik Race on April 19, 2015 in Cabanillas del Campo, in the region of Guadalajara, Spain. (Photo by Pablo Blazquez Dominguez/Getty Images)

A Sri Lankan ethnic Tamil dancer performs during an annual Hindu temple procession in Colombo, Sri Lanka, Friday, April 24, 2015. (Photo by Eranga Jayawardena/AP Photo)

Michelle Wie, of Honolulu, chips out of a sand trap and onto the third green in the third round of the LPGA Lotte Championship golf tournament Friday, April 17, 2015, in Kapolei, Hawaii. (Photo by Eugene Tanner/AP Photo)

Michelle Wie reads the first green before putting during the third round of the LPGA Lotte Championship golf tournament at Ko Olina Golf Club, Friday, April 17, 2015, in Kapolei, Hawaii. (Photo by Eugene Tanner/AP Photo)

Iowa State's Hannah Willms makes her approach in the women's high jump at the Drake Relays athletics meet, Friday, April 24, 2015, in downtown Des Moines, Iowa. (Photo by Charlie Neibergall/AP Photo)

An archer in a samurai warrior costume aims at a target in the Asakusa Yabusame horseback archery event at Sumida Park in Tokyo, Saturday, April 18, 2015. (Photo by Shizuo Kambayashi/AP Photo)

An archer in a samurai warrior costume aims at a target in the Asakusa Yabusame horseback archery event at Sumida Park in Tokyo, Saturday, April 18, 2015. (Photo by Shizuo Kambayashi/AP Photo)

An archer in a samurai warrior costume aims at a target in the Asakusa Yabusame horseback archery event at Sumida Park in Tokyo, Saturday, April 18, 2015. (Photo by Shizuo Kambayashi/AP Photo)

An archer in a samurai warrior costume aims at a target in the Asakusa Yabusame horseback archery event at Sumida Park in Tokyo, Saturday, April 18, 2015. (Photo by Shizuo Kambayashi/AP Photo)

An archer wearing ancient samurai warrior dress shoots an arrow towards the target while riding on horseback during a Yabusame demonstration of the 13th-century samurai martial arts in Tokyo on April 18, 2015. (Photo by Toshifumi Kitamura/AFP Photo)

A conductor climbs to the cab of a locomotive after a collision between an Amtrak train and a car in Bessemer, Ala., Wednesday, April 22, 2015. The driver of the car drove around the crossing guards, according to Deputy Chief Mike Roper of the Bessemer Police Department. (Photo by Mark Almond/AL.com via AP)

Sebastian Martinez of Chile's Universidad de Chile gives his jersey to his team's fans at the Banco del Pacifico stadium after a match against Ecuador's Emelec in Guayaquil , Ecuador, Wednesday, April 22, 2015. Emelec defeated Universidad de Chile 2-0. (Photo by Dolores Ochoa/AP Photo)

Aymara priest Valentin Apaza stands over a burning offering for the “Pachamama”, or Mother Earth, during a ceremony on La Cumbre, a mountain considered sacred ground on the outskirts of La Paz, Bolivia, Wednesday, April 22, 2015. The world marks Earth Day on April 22 to increase awareness and to promote practices for the sustainability and protection of the Earth's natural environment. (Photo by Juan Karita/AP Photo)

Models attend the drivers parade prior to the start of the Bahrain Formula One Grand Prix at the Formula One Bahrain International Circuit in Sakhir, Bahrain, Sunday, April 19, 2015. (Photo by Luca Bruno/AP Photo)

Stray dogs take a stroll on red carpet laid out in front of Bosnian presidency building ahead of the visit by Bulgarian President Rosen Plevneliev in Sarajevo, on Wednesday, April 22, 2015. (Photo by Amel Emric/AP Photo)

People belonging to historical groups dressed as ancient Romans mark the anniversary of the legendary foundation of the eternal city in 753 BC, on April 19, 2015 in Rome. (Photo by Filippo Monteforte/AFP Photo)

Actors dressed as ancient gladiators get ready for the commemorative parade during festivities marking the 2,768th anniversary of the founding of Rome on April 19, 2015 in Rome, Italy. The birth of Rome is celebrated in the capital annually, with actors dressed as denizens of ancient Rome taking part in parades and re-enactments of the ancient Roman Empire. According to legend, Rome was founded by Romulus in 753 BC in an area surrounded by seven hills. (Photo by Giorgio Cosulich/Getty Images)

People belonging to historical groups dressed as ancient Romans march to mark the anniversary of the legendary foundation of the eternal city in 753 BC, on April 19, 2015 in Rome. (Photo by Filippo Monteforte/AFP Photo)

Actors dressed as ancient Roman soldiers stand near the Coliseum as they attend a parade to commemorate the 2,768th anniversary of the founding of Rome on April 19, 2015 in Rome, Italy. (Photo by Giorgio Cosulich/Getty Images)

Israeli Air Force Fuga aircrafts fly over the coastline during training for Israel's upcoming Independence day, in Tel Aviv, Monday, April 20, 2015. Israel will celebrate the 67th anniversary of the founding of the state beginning at sundown Wednesday through Thursday. (Photo by Oded Balilty/AP Photo)

A group of Iranian paramilitary Basij forces, affiliated to the Revolutionary Guard, re-enact an operation to release hostages during training in a Guard base in northeastern Tehran, Iran, Friday, April 24, 2015. The volunteer Basij force is often used to quell civil unrest and oversea civilian behavior. (Photo by Ebrahim Noroozi/AP Photo)

A view of the Piramide Cestia (Pyramid of Cestius) monument after restyling opening in Rome, Italy, 20 April 2015. The restoration works were sponsorized by Japan manager Yuzo Yagi who participated in the opening on 20 April. The pyramid was erected as tomb for Roman member of magistrate Gaius Cestius about 18 BC-12 BC. (Photo by Fabio Campana/EPA)

Palestinian students supporters of the Islamic militant movement of Hamas hold the Koran and show three fingers, their electoral number, as they march during the election campaign for students' council at the Polytechnic University in the West Bank city of Hebron, 20 April 2015. (Photo by Abed Al Haslhamoun/AFP Photo)

In this Friday, April 17, 2015 photo, a model wears a creation from the Adriana Degreas Summer collection during Sao Paulo Fashion Week in Sao Paulo, Brazil. (Photo by Andre Penner/AP Photo)

Security guards carry a protester wearing a mask depicting Sir David Walker, outgoing Chairman of Barclays Bank, during a demonstration outside the bank's annual general meeting (AGM) in London on April 22, 2015. (Photo by Ben Stansall/AFP Photo)

Marcus Mariota, 2015 draft prospect and newest SUBWAY Famous Fan, poses with a life-size food statue made of SUBWAY sandwich ingredients in his likeness, including new guacamole, on Wednesday, April 22, 2015, in Honolulu. Mariota joins a roster of SUBWAY Famous Fans including Clayton Kershaw, Mike Trout, Pele, Nastia Liukin, and Robert Griffin III. (Photo by Marco Garcia/Invision for SUBWAY/AP Images)

An Indian girl looks for recyclable materials near resting greater adjutant storks at a dumping site on the outskirts of Gauhati, India, Wednesday, April 22, 2015. (Photo by Anupam Nath/AP Photo)

An Indian girl stands at a garbage dump area on the outskirts of Gauhati, India, Wednesday, April 22, 2015. (Photo by Anupam Nath/AP Photo)

An Indian boy pulls a bag filled with recyclable material at a garbage dump yard in Gauhati, India, Wednesday, April 22, 2015. The world marks Earth Day on April 22 to increase awareness and to promote practices for the sustainability and protection of the Earth's natural environment. (Photo by Anupam Nath/AP Photo)

Commuters crowd a bridge as they wait to enter public buses on the “Day Without Cars and Motorcycle” in Bogota, Colombia, Wednesday, April 22, 2015. Many residents in the capital walked, biked, or took public transportation to their destinations to promote alternative transportation as a way to reduce smog. (Photo by Fernando Vergara/AP Photo)

Honoree and Comedian Amy Schumer pretends to trip and fall on the floor in front of honorees Kim Kardashian (2nd-L) and Kanye West (L) as they attend the Time 100 Gala celebrating the Time 100 issue of the Most Influential People at The World at Jazz at Lincoln Center on April 21, 2015 in New York. (Photo by Timothy A. Clary/AFP Photo)

Visitors admire a steam locomotive during the Dresden Steam Locomotive Festival, the biggest steam engine spectacle in Germany, in the maintenance depot of the railway museum in Dresden, eastern Germany, Saturday, April 18, 2015. (Photo by Jens Meyer/AP Photo)

A visitor inspects the wheels of the steam locomotive during the Dresden Steam Locomotive Festival, the biggest steam engine spectacle in Germany, in the maintenance depot of the railway museum in Dresden, eastern Germany, Saturday, April 18, 2015. (Photo by Jens Meyer/AP Photo)

Visitors stand in front of steam locomotives during the Dresden Steam Locomotive Festival, the biggest steam engine spectacle in Germany, in the maintenance depot of the railway museum in Dresden, eastern Germany, Saturday, April 18, 2015. (Photo by Jens Meyer/AP Photo)

Afghan people pose for a photograph near their temporary shelter at an internally displaced person's (IDP) camp on the outskirts of Herat, Afghanistan, April 20, 2015. According to UN Refugee Agency (UNHCR) figures, the number of internally displaced Afghani people was 683,000 by mid-2014, estimating they will amount to 900,000 by the end of 2015. (Photo by Jalil Rezayee/EPA)

A young girl touches the knee of a giant statue in a row of Thai Buddhist monks erected in a park in Bangkok, Thailand, 20 April 2015. Members of Thailand's National Reform Council created after a military coup in May 2014 to implement national reforms meant to ensure clean politics, have begun a week long debate on the draft on constitutional changes. (Photo by Barbara Walton/EPA)

Basanti (L), 14, and her friend Jhalijhsa, 14, walk with their empty baskets down to the north-eastern Nepalese town of Namche Bazar (unseen) on a freshly snow-dusted field near Mt. Kondge (R) on April 18, 2015. Basanti and Jhalijsha were heading to the market in Namche to pick up supplies to take back to their village where they go to school on weekdays, after making their early-morning supply run. For their daily, back-breaking effort, they earn an equivalent of around 70 USD. The town of Namche is a usual stop for trekkers and climbers heading into the Khumbu region. (Photo by Roberto Schmidt/AFP Photo)

This picture taken on April 22, 2015 shows a Chinese promoter posing with a local alternative to the Apple Watch at a factory producing thousands every day in Shenzhen, in southern China's Guangdong province. The much-hyped Apple Watch goes on sale on April 24, but Chinese factories are already churning out cheaper alternatives to the apparent delight of local consumers. (Photo by AFP Photo/Stringer)