People hold a puppet of U.S. Democratic presidential candidate Bernie Sanders as they protest against fracking and neighborhood oil drilling in Los Angeles, California, U.S., May 14, 2016. (Photo by Lucy Nicholson/Reuters)





Iraqi firefighters try to extinguish a fire at a natural gas plant in Taji, 12 miles (20 kilometers) north of Baghdad, Iraq, Sunday, May 15, 2016. The Islamic State group launched a coordinated assault Sunday on a natural gas plant north of the capital that killed more than a dozen people, according to Iraqi officials. (Photo by AP Photo)





Singer Demi Lovato performs during KIIS-FM Wango Tango concert at StubHub Center in Carson, U.S., May 14, 2016. (Photo by Mario Anzuoni/Reuters)





Singer Iggy Azalea performs during KIIS-FM Wango Tango concert at StubHub Center in Carson, U.S., May 14, 2016. (Photo by Mario Anzuoni/Reuters)





Singer Ariana Grande performs during KIIS-FM Wango Tango concert at StubHub Center in Carson, U.S., May 14, 2016. (Photo by Mario Anzuoni/Reuters)





A pro-China supporter holds a China national flag during a rally calling for peaceful reunification, days before the inauguration ceremony of President-elect Tsai Ing-wen, in Taipei, Taiwan May 14, 2016. (Photo by Tyrone Siu/Reuters)





Supporters of Federal Alliance, a coalition of Madhes-based parties and other ethnic political parties and organizations, protest against the constitution near Singha Durbar office complex that houses the Prime Minister's office and other ministries in Kathmandu, Nepal, May 15, 2016. (Photo by Navesh Chitrakar/Reuters)





Cast member Joseph Fiennes takes part in a photocall on the beach for the film “The Last Race” during the 69th Cannes Film Festival in Cannes, France, May 15, 2016. (Photo by Yves Herman/Reuters)





A passenger walks towards a terminal after disembarking the “Ovation of the Seas” cruise ship at the port of Piraeus, near Athens, Greece, May 15, 2016. (Photo by Alkis Konstantinidis/Reuters)





The Harmony of the Seas (Oasis 3) class ship leaves the STX Les Chantiers de l'Atlantique shipyard site in Saint-Nazaire, France, May 15, 2016. (Photo by Stephane Mahe/Reuters)





Yoga instructor Miya (R) does planking at the Plank Sport Carnival in Beijing, China, May 15, 2016. (Photo by Kim Kyung-Hoon/Reuters)





A man stuggles to hold his umbrella from high wind and rain during a wet day in Colombo , Sri Lanka May 15, 2016. (Photo by Dinuka Liyanawatte/Reuters)





Palestinian refugee Shaher al Khatib, 76, holds keys symbolising the loss of his home as he poses for a photograph in front of a mural ahead of the 68th anniversary of Nakba at Qalandia refugee camp near the West Bank city of Ramallah May 14, 2016. (Photo by Ammar Awad /Reuters)





Palestinians ride atop a truck during a rally marking the 68th anniversary of Nakba in the West Bank city of Ramallah May 15, 2016. (Photo by Mohamad Torokman/Reuters)





A clothing shop displays its merchandise beside a damaged building in the rebel-controlled area of Maaret al-Numan town in Idlib province, Syria, May 15, 2016. (Photo by Khalil Ashawi/Reuters)





Supporters of social media-driven movement “Nuit Debout” (Rise up at Night), jump during an event as they gather on the place de la Republique in Paris, France, against the French labour law proposal, May 15, 2016. (Photo by Philippe Wojazer/Reuters)





Women dressed in traditional attire hang out at San Isidro's prairie during celebrations for Madrid's patron saint San Isidro (Saint Isidore) in Madrid, Spain, May 15, 2016. (Photo by Susana Vera/Reuters)





Ice Hockey, 2016 IIHF World Championship, Group A, Switzerland vs Sweden, Moscow, Russia on May 15, 2016. Sweden's Johan Sundstrom celebrates a goal. (Photo by Grigory Dukor/Reuters)





Jose Ruiz, 57, a homeless man, wearing a Spanish national soccer shirt, dances as he attends a march to mark the 5th anniversary of the “indignados” movement in Malaga, Spain, May 15, 2016. The banner reads, “The rebellion is now global. 15M”. (Photo by Jon Nazca/Reuters)





A model parades a creation on the runway by Australian designer Toni Maticevski at Fashion Week Australia in Sydney on May 15, 2016. (Photo by William West/AFP Photo)





People of all ages attend the Hindu celebration of Holi Hai, or Festival of Colors at Oceanside Pier Amphitheatre on May 14, 2016 in Oceanside, California. (Photo by Daniel Knighton/Getty Images)





People take a selfie as they visit the large-scale public art installation titled Seven Magic Mountains by Swiss artist Ugo Rondinone on May 14, 2016 near Jean, Nevada. The artwork, comprised of seven towers of colorful, stacked boulders standing more than thirty feet high, was recently completed in the desert south of Las Vegas. (Photo by David Becker/AFP Photo)





German riot police stand guard against anti-coal activists that entered the grounds of the coal mine company Vattenfall factory Schwarze Pumpe on May 14, 2016 near Spremberg, Germany. The activists, part of a movement called “Ende Gelaende”, are demanding an end to the use of coal for energy production in favor of renewable energy means. The Welzow Sued mine is operated by Vattenfall but is in the process of being sold to the Czech energy company EPH. (Photo by Carsten Koall/Getty Images)





Palestinian girls wear earrings bearing the number “68” and hair slides in the shape of a key on May 15, 2016 in Gaza city during a rally to commemorate the “Nakba” in reference to the establishment in 1948 of the state of Israel. “Nakba” means in Arabic “catastrophe” in reference to the birth of the state of Israel 68-years-ago in British-mandate Palestine, which led to the displacement of hundreds of thousands of Palestinians who either fled or were driven out of their homes during the 1948 war over Israel's creation. The key symbolises the homes left by Palestinians in 1948. (Photo by Mahmud Hams/AFP Photo)





A participant dressed in bridal white surrounded by flowers, takes part in the pilgrimage “The Hundred Maidens”, in Sorzano, northern Spain, Sunday, May 15, 2016. According to ancient traditions, the pilgrimage “The Hundred Maidens” is in honor of the spring season and the fertility of women, today is also in honor of the Virgin Mary. (Photo by Alvaro Barrientos/AP Photo)





An Israeli child plays in a water fountain on a hot day near the Tower of David in the Old City of Jerusalem, Israel, 15 May 2016. According to the Israeli Metereological Service, an intense heatwave has hit the country, with temperatures as high as 44 degrees Celsius expected in some areas. (Photo by Abir Sultan/EPA)





George Washington University graduates Serena Williams, left, and Hannah Raymond, right, struggle against a strong wind as they pose for graduations pictures near the Washington Monument, Sunday, May 15, 2016, in Washington, after their commencement ceremony on the National Mall. (Photo by Carolyn Kaster/AP Photo)





Hair is blown by rotor wash from Marine One with President Barack Obama aboard, as it lifts from the South Lawn of the White House in Washington, Sunday, May 15, 2016, for the short trip to Andrews Air Force Base. Then Obama will go onto and Rutgers University's New Brunswick campus in New Jersey to speak at the Rutgers University's 250th Anniversary commencement ceremony. (Photo by Carolyn Kaster/AP Photo)





A model walks the runway during the Maticevski show, at The Cutaway, Barangaroo, during the opening show of Mercedes-Benz Fashion Week Australia in Sydney, Australia, 15 May 2016. The show runs from 15 to 20 May 2016. (Photo by Dan Himbrechts/EPA)





Environmental activists of environmantal organization “Robin Wood” lie in hammocks over tracks leading to the coal-fired power station Schwarze Pumpe belonging to Swedish state-owned energy giant Vattenfall, in Schwarze Pumpe, eastern Germany, on May 15, 2016 during anti-coal demonstrations. The protests are part of the “Break Free” campaign launched by Greenpeace and other environmentalist groups in countries including the US, Canada and Brazil to oppose the use of fossil fuels. (Photo by Patrick Pleul/AFP Photo/DPA)





A Berber Moroccan woman, wearing traditional outfits, parades during the “Miss Rose” beauty contest as part of the yearly Rose Festival on May 13, 2016 in the town of Kelaat Mgouna, at the foot of the High Atlas Mountains in Morocco. (Photo by Fadel Senna/AFP Photo)





Singer Daya performs on stage at Soap & Glory's Beauty Boudoir At Wango Tango at StubHub Center on May 14, 2016 in Carson, California. (Photo by Charley Gallay/Getty Images for Soap & Glory)





A surfer rides a wave in Varazze on May 15, 2016 during a day of high swell due to strong winds in north Mediterranean sea. (Photo by Olivier Morin/AFP Photo)





Guest shows WizPak at the WizPak Launch Party Hosted By Chris Brown on May 15, 2016 in Fort Lauderdale, Florida. (Photo by Mychal Watts/Getty Images for WizPak)