Supporters of the presidential candidate Muhammadu Buhari and his All Progressive Congress hits another supporter with a motorbike during celebrations in Kano, Nigeria March 31, 2015. (Photo by Goran Tomasevic/Reuters)





Team Sky rider Chris Froome of Britain, race leader's yellow jersey, crosses the finish line of the 195km (121.16 miles) 12th stage of the 102nd Tour de France cycling race from Lannemezan to Plateau de Beille in the French Pyrenees mountains, France, July 16, 2015. (Photo by Eric Gaillard/Reuters)





Police lead suspected shooter Dylann Roof, 21, into the courthouse in Shelby, North Carolina, United States June 18, 2015. (Photo by Jason Miczek/Reuters)





German Chancellor Angela Merkel speaks with U.S. President Barack Obama outside the Elmau castle in Kruen near Garmisch-Partenkirchen, Germany, June 8, 2015. (Photo by Michael Kappeler/Reuters)





A stuntman flies through the air following an explosion during the filming of the Koldo Serra directed feature film Gernika in the Basque town of Guernica, northern Spain June 17, 2015. (Photo by Vincent West/Reuters)





Gordon Satterly, 61, from Michigan (L) kisses his husband Richard Brand, 53, from Texas, at the International Gay Rodeo Association's Rodeo In the Rock party in Little Rock, Arkansas, United States April 24, 2015. (Photo by Lucy Nicholson/Reuters)





Residents, with their belongings, return to their villages on a pickup truck after Kurdish People's Protection Units (YPG) fighters said that they retook control of the area from Islamic State in the southern countryside of Ras al-Ain, Syria May 13, 2015. (Photo by Rodi Said/Reuters)





U.S. President Barack Obama welcomes Secretary General of the Gulf Cooperation Council Abdul Latif bin Rashid Al Zayani of Bahrain at the White House in Washington, United States May 13, 2015. (Photo by Jonathan Ernst/Reuters)





A protester wears grass around his face to obscure his identity during a protest against President Pierre Nkurunziza's decision to run for a third term, in Bujumbura, Burundi, May 11, 2015. (Photo by Goran Tomasevic/Reuters)





Singer Rihanna arrives at the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of “China: Through the Looking Glass” in Manhattan, New York, United States May 4, 2015. (Photo by Lucas Jackson/Reuters)





Los Padres National Forest firefighter Jameson Springer watches a controlled burn on the so-called “Rough Fire” in the Sequoia National Forest, California, United States August 21, 2015. (Photo by Max Whittaker/Reuters)





Four-year-old Rashida from Kobani, Syria, part of a new group of more than a thousand immigrants, sleeps as they wait on the border between Macedonia and Greece to enter Macedonia near Gevgelija railway station August 20, 2015. (Photo by Ognen Teofilovski/Reuters)





U.S. Democratic presidential candidate Hillary Clinton greets Louie Dixon as she campaigns at the Iowa State Fair in Des Moines, Iowa, United States, August 15, 2015. (Photo by Jim Young/Reuters)





Experts investigate the Erawan shrine at the site of a deadly blast in central Bangkok, Thailand, August 18, 2015. (Photo by Athit Perawongmetha/Reuters)





A man pours water over himself while washing a horse in order to cool it down as part of measures taken to ease the effect of a heatwave at the Beirut Hippodrome, Lebanon August 4, 2015. (Photo by Mohamed Azakir/Reuters)





People disarm an Orthodox Jewish assailant shortly after he stabbed participants at the annual Gay Pride parade in Jerusalem July 30, 2015. (Photo by Amir Cohen/Reuters)





A woman cries near coffins containing the body of newly identified victims of the 1995 Srebrenica massacre at the Memorial Center in Potocari, near Srebrenica, Bosnia and Herzegovina July 10, 2015. (Photo by Stoyan Nenov/Reuters)





A staff member removes the Iranian flag from the stage after a group picture during the Iran nuclear talks at the Vienna International Center in Vienna, Austria July 14, 2015. (Photo by Carlos Barria/Reuters)





Jul 6, 2015; Daytona Beach, FL, USA; NASCAR Sprint Cup Series driver Austin Dillon car (3) crashes against the catch fence during the finish of the Coke Zero 400 at Daytona International Speedway. (Photo by Reinhold Matay/USA TODAY Sports)





Jul 5, 2015; Vancouver, British Columbia, CAN; United States players react as they receive the FIFA Women's World Cup trophy after defeating Japan in the final of the FIFA 2015 Women's World Cup at BC Place Stadium. (Photo by Anne-Marie Sorvin/USA TODAY Sports)





A pensioner argues with an official as he tries to enter a National Bank branch to receive part of his pension in Athens, Greece, July 6, 2015. (Photo by Christian Hartmann/Reuters)





Britain's Prince George looks into the pram of his sister Princess Charlotte after her christening at the Church of St. Mary Magdalene in Sandringham, Britain July 5, 2015. (Photo by Matt Dunham/Reuters)





Women pray near bouquets of flowers laid on the beach of the Imperial Marhaba resort, which was attacked by a gunman, in Sousse, Tunisia, June 28, 2015. (Photo by Zohra Bensemra/Reuters)





Greek Prime Minister Alexis Tsipras delivers a speech at an anti-austerity rally in Syntagma Square in Athens, Greece, July 3, 2015. (Photo by Yannis Behrakis/Reuters)





Water bottles are gathered to be recycled near a statue in Martyrs' Square in Beirut, Lebanon August 25, 2015. (Photo by Jamal Saidi/Reuters)





A lunar eclipse coincides with a so-called “supermoon” in Newcastle-under-Lyme, Staffordshire, England, Britain September 28, 2015. (Photo by Carl Recine/Reuters)





U.S. President Barack Obama (L) stands with Pope Francis during an arrival ceremony for the pope at the White House in Washington, United States September 23, 2015. (Photo by Jonathan Ernst/Reuters)





A girl cries after crossing Greece's border into Macedonia near Gevgelija, Macedonia, August 22, 2015. (Photo by Ognen Teofilovski/Reuters)





Pope Francis shakes hands with an inmate as he meets with prisoners at Curran-Fromhold Correctional Facility in Philadelphia, United States September 27, 2015. (Photo by Jonathan Ernst/Reuters)





Japan's Luke Thompson (C) is seen before a scrum against Scotland during their IRB Rugby World Cup 2015 Pool B match at Kingsholm, Gloucester, Britain, September 23, 2015. (Photo by Andrew Boyers/Reuters)