A Buddhist devotee worships at Kelaniya temple in Colombo on Vesak Day May 14, 2014. Vesak Day, which is celebrated on May 14 and 15 in Sri Lanka, commemorates the birth, enlightenment and death of Buddha. (Photo by Dinuka Liyanawatte/Reuters)

A local walks by a destroyed Ukrainian army Armoured Personnel Carrier in the eastern Ukrainian village of Oktyabrskoe May 14, 2014. Pro-Russian separatists ambushed Ukrainian troops on May 13, killing seven in the heaviest loss of life for government forces in a single clash since Kiev sent soldiers to put down a rebellion in the country's east. (Photo by Yannis Behrakis/Reuters)

Liverpool's Daniel Agger, center, and Martin Skrtel, right, jump for the ball with Newcastle United's Shola Ameobi during their English Premier League soccer match at Anfield in Liverpool, England, Sunday May 11, 2014. (Photo by Clint Hughes/AP Photo)

Colombian Navy flagship “Gloria” arrives at the port city of Cartagena during the Sail Cartagena 2014 on May 15, 2014. The Sail Cartagena 2014 takes place between the 15th and 20th of May with delgations from 11 countries. (Photo by Joaquin Sarmiento/AFP Photo)

Police officers during a training exercise to ensure the safety of the city during the World Cup in Sao Paulo, Brazil, on May 13, 2014. Over 3000 police and military personnel participating in the simulation. (Photo by Henry Milleo/Agência de Notícias Gazeta do Povo/Estadão Conteúdo)

A motorcycle set on fire by a mob burns during clashes between two communities on the outskirts of the southern Indian city of Hyderabad May 14, 2014. Two people were killed when police opened fire to control mobs following communal clashes on Wednesday on the outskirts of the city, local media reported. (Photo by Reuters)

A woman walks through a display of portraits which were made as part of the Inside Out art project by French artist JR at Xintiandi area in downtown Shanghai May 14, 2014. JR and his team set up a photo studio and printing equipment in a truck to capture portraits of locals and tourists, which are then displayed in public. The portraits will be pasted on walls in the Lakeside Road area in Xintiandi. (Photo by Carlos Barria/Reuters)

Indian women and children struggle to collect government-supplied water from a mobile tanker in Ramol, outskirts of Ahmadabad, India, Sunday, May 11, 2014. As India faces certain water scarcity and ecological decline, the country's main political parties campaigning for elections have all but ignored environmental issues seen as crucial to India's vast rural majority, policy analysts say. With 814 million eligible voters, India’s weeks long general election runs through May 12, with results for the 543-seat lower house of Parliament set to be announced May 16. (Photo by Ajit Solanki/AP Photo)

Wearing a Washington Monument costume, Steven Avila, center, greets Alexandra Smith, 7, of Glen Burnie, MD, right, prior to the “Celebration of the Reopening of the Washington Monument” on Monday May 12, 2014 in Washington, DC. The iconic landmark had been closed to the public since a earthquake damaged the structure in 2011. (Photo by Matt McClain/The Washington Post)

Cast member Nicole Kidman poses during a photocall for the film “Grace of Monaco” (Grace de Monaco) out of competition before the opening of the 67th Cannes Film Festival in Cannes May 14, 2014. (Photo by Eric Gaillard/Reuters)

Indian Muslim brides take part in a mass marriage ceremony in Mumbai on May 11, 2014. Mass marriages generally organised by social organisations to cut ceremony costs are common in India with its billion plus population where the custom of dowry and expensive gifts from the bride's family still pravails among certain segments of society. (Photo by Punit Paranjpe/AFP Photo)

Syrian civilians carry their belongings walk next to damaged buildings as they return to inspect their homes in Jouret Al Chyah area, in Homs, Syria, May 10, 2014, after government troops entered the neighborhoods as part of an agreement that also granted fighters safe exit from the city on May 8. (Photo by EPA)

Cooper Hefner (L), son of Playboy founder Hugh Hefner speaks with Kennedy Summers, 27, the 2014 Playboy Playmate of the Year, at the Playboy Mansion in Los Angeles, California May 15, 2014. Kennedy, the 55th Playmate of the Year, also receives $100,000 in prize money, an Oris Artelier Date Diamonds watch and a one-year lease on a Mini John Cooper Works Roadster. (Photo by Kevork Djansezian/Reuters)

A man looks for used computer motherboards at a market in Depok, Indonesia, 12 May 2014. According to a report by the World Bank, Indonesia has become the world's tenth largest economy. Indonesia's economy grew 5.21 percent in the first quarter of this year, the slowest pace in more than four years, the government said. (Photo by Adi Weda/EPA)

Alaska Airlines Capt. David Boshell kisses the 48 lb. Copper River King Salmon he carried out of his plane along with first officer Melissa Van Dyke after a flight from Cordova, Alaska to the Alaska Airlines Cargo facility in Seatac, Wash., near Seattle, on May 16, 2014. The cargo flight carried the first shipment of the year of Copper River salmon, which are highly prized for their oil content and flavor. (Photo by Ted S. Warren/Associated Press)

Young Cambodian Buddhist monks wear their clothes during Visaka Bochea celebration at a pagoda in Takeo province, Cambodia, May 13, 2014. Visaka Bochea is a celebration that commemorates Buddha's birth enlightenment death and his passing into nirvana. (Photo by Mak Remissa/EPA)

The 3D print scanner Botscan3D scans a model at the stand of the German company Botspot during the international fairs FabCon 3.D and Rapid.Tech in Erfurt, Germany, Thursday, May 15, 2014. 130 exhibitors from all over the world present the entire world of 3D printing. The trade fairs are accompanied by specialist programs featuring 80 scientists, practitioners and trend analysts from ten countries, who will explain the latest findings, trends and applications for additive processes in industry and for 3D printing in the private sector to newcomers, experts and consumers alike. (Photo by Jens Meyer/AP Photo)

A man invades the Red Carpet and is held by security at the “How To Train Your Dragon 2” Premiere at the 67th Annual Cannes Film Festival on May 16, 2014 in Cannes, France. The man stuck his head up America`s skirt before being dragged away by security. Pictured: Djimon Hounsou, Cate Blanchett, America Ferrera and Kit Harington. (Photo by Camilla Morandi/IPA)

A man is arrested by security as he tries to slip under the dress of actress America Ferrera (3rdR) as she poses on the red carpet arriving for the screening of the film “How to Train Your Dragon 2” out of competition at the 67th Cannes Film Festival in Cannes May 16, 2014. From R, Cast members Djimon Hounsou, Cate Blanchett, America Ferrera, Kit Harington and Jay Baruchel. (Photo by Benoit Tessier/Reuters)

People are carried by a front loader as they evacuate from their flooded houses in Topcic Polje, near Zepce May 16, 2014. The heaviest rains and floods in 120 years have hit Bosnia and Serbia, killing five people, forcing hundreds out of their homes and cutting off entire towns. (Photo by Dado Ruvic/Reuters)

Driver Danica Patrick runs her hands through her hair before practice for NASCAR Sprint Cup series auto race at Charlotte Motor Speedway in Concord, N.C., on May 16, 2014. (Photo by Terry Renna/Associated Press)

Heron-hooded dancers prepare to parade down the streets toward Asakusa Shrine in the compound of Sensoji Temple in Tokyo, Friday, May 16, 2014, prior to the annual Sanja Festival, one of the three major festivals in Tokyo, scheduled on May 16-18. (Photo by Eugene Hoshiko/AP Photo)

Heron-hooded dancers perform as they parade down the streets toward Asakusa Shrine in the compound of Sensoji Temple in Tokyo at the annual Sanja Festival, on May 16, 2014. (Photo by Eugene Hoshiko/Associated Press)

Mourners process with the casket of Elena Ott from her family's house to a local cemetery, May 16, 2014 in Starovarvarovka, Ukraine. Ott was killed two days prior when the car she was riding in was fired on by forces her family believes to be the Ukrainian military. (Photo by Brendan Hoffman/Getty Images)

Supporters of the Libertad y Refundacion, LIBRE, political party, shout slogans against the Honduran government during a clashes with police, outside the congress building in Tegucigalpa, Honduras, Tuesday, May 13, 2014. Hundreds of supporters of former President and now Congressman, Manuel Zelaya, clashed with riot police and soldiers after occupying the National Congress building with him. They where eventually expelled violently from the building. (Photo by Fernando Antonio/AP Photo)

Mountaineers work on an art installation entitled the “Big Bambu – 5,000 Arms to Hold You” at the Israel Museum in Jerusalem, Israel, 12 May 2014. The artwork made of 10,000 bamboo stalks by US artists and brothers Mike and Doug Starn will open to the public on 10 June. (Photo by Abir Sultan/EPA)

Members of an honour guard clean their boots as they get ready for a welcoming ceremony for the visiting Portugal's President Anibal Cavaco Silva (not seen), outside the Great Hall of the People in Beijing, May 15, 2014. (Photo by Kim Kyung-Hoon/Reuters)

During a press preview tour Saturday, May 10, 2014, Jeff Petriello, of Mashable, takes a photograph of The Washington Monument. The Washington Monument reopens on Monday after being repaired by engineers after the earthquake in 2011. (Photo by Sarah L. Voisin/The Washington Post)

Police officers take aim with their weapons at a man playing the role of an attacker as he holds a woman hostage during an anti-terrorism drill at a railway station in Zhengzhou May 10, 2014. An assailant stabbed six people on Tuesday at a railway station in the southern Chinese city of Guangzhou, police and state media said, the latest in a series of attacks that have unnerved the country, some of which Beijing has termed terrorism. China's domestic security chief, Meng Jianzhu, told a meeting of Chinese law enforcement officials on Tuesday that the government would launch “special operations against terrorism”, Xinhua reported. (Photo by Reuters/Stringer)

Pro-Russian gunmen and activists react while listening to a speaker as they declare independence for the Luhansk region in eastern Ukraine on Monday, May 12, 2014. Pro-Russia separatists in eastern Ukraine declared independence Monday for the Donetsk and Luhansk regions following their contentious referendum ballot. (Photo by Evgeniy Maloletka/AP Photo)

Cast members Mireille Enos (L) and Rosario Dawson pose during a photocall for the film “Captives” (The Captive) in competition at the 67th Cannes Film Festival in Cannes May 16, 2014. (Photo by Regis Duvignau/Reuters)

Actress Rosario Dawson, left, kisses actress Mireille Enos during a photo call for Captives at the 67th international film festival, Cannes, southern France, on May 16, 2014. (Photo by Thibault Camus/Associated Press)