An anti-government protester walks in front of burning tires on a street in San Cristobal, in the state of Tachira, Venezuela on February 12, 2016. (Photo by Carlos Eduardo Ramirez/Reuters)





Women take selfies in front of U.S. Republican presidential candidate Marco Rubio's bus following a campaign event in an airport hanger in Greenville, South Carolina, February 12, 2016. (Photo by Carlo Allegri/Reuters)





Men dressed as robots stand outside U.S. Republican presidential candidate Marco Rubio's campaign event in an airport hanger in Greenville, South Carolina, February 12, 2016. (Photo by Carlo Allegri/Reuters)





Singer Rihanna attends the red carpet before the Fenty PUMA by Rihanna Fall/Winter 2016 collection show during New York Fashion Week in New York, February 12, 2016. (Photo by Eduardo Munoz/Reuters)





A Palestinian woman reacts as she waits to cross into Egypt through the Rafah border crossing between Egypt and the southern Gaza Strip February 13, 2016. Egypt opened the Rafah border crossing on Saturday for two days to allow Palestinians on humanitarian grounds to travel in and out of the Gaza Strip, officials said. (Photo by Ibraheem Abu Mustafa/Reuters)





Performers walk at the exhibition centre of the “Make In India” week in Mumbai, India, February 13, 2016. (Photo by Danish Siddiqui/Reuters)





Performers walk past a helicopter parked at the exhibition centre of the “Make In India” week in Mumbai, India, February 13, 2016. (Photo by Danish Siddiqui/Reuters)





A performer walks past another at the exhibition centre of the “Make In India” week in Mumbai, India, February 13, 2016. (Photo by Danish Siddiqui/Reuters)





Sadhus or Hindu holy men offer prayers while sitting inside circles of burning “Upale” (or dried cow dung cakes) on the occasion to mark the Basant or spring festival, on the banks of river Ganga in Allahabad, India, February 13, 2016. Basant is celebrated mainly in the northern Indian states marking the start of the spring season. (Photo by Jitendra Prakash/Reuters)





Residents participate in a demonstration against the Rwandan government in Burundi's capital Bujumbura, February 13, 2016. In a sign of further strained relations, thousands of demonstrators drawn mainly from the ruling CNDD-FDD party and its ally UPRONA took part on Saturday in a peaceful march against Rwanda. Demonstrators marched in Bujumbura and other parts of the country, waving placards reading messages like “We denounce Rwanda's open aggression against Burundi” and “We denounce the support of Rwanda to commandos who want to destabilise Burundi”. (Photo by Jean Pierre Aime Harerimana/Reuters)





Activists hold a man dressed in a condom costume as they wave hands while marking International Condom Day at a compound of the World War Two museum in Kiev, Ukraine, February 13, 2016. (Photo by Valentyn Ogirenko/Reuters)





A protester takes part in a demonstration against the Munich Security Conference in downtown Munich, Germany, February 13, 2016. (Photo by Michael Dalder/Reuters)





Protesters take part in a demonstration against the Munich Security Conference in downtown Munich, Germany, February 13, 2016. (Photo by Michael Dalder/Reuters)





Protesters take part in a demonstration against the Munich Security Conference in downtown Munich, Germany, February 13, 2016. (Photo by Michael Dalder/Reuters)





A protester takes part in a demonstration against the Munich Security Conference in downtown Munich, Germany, February 13, 2016. (Photo by Michael Dalder/Reuters)





A protester reacts while being photographed during a demonstration against the Munich Security Conference in downtown Munich, Germany, February 13, 2016. (Photo by Michael Dalder/Reuters)





File photograph shows HMS Victorious berthed at the Clyde Naval Base in Scotland October 29, 2012. Britain must renew its submarine-borne Trident nuclear weapons system if it is to maintain its “outsized” role in world affairs, U.S. Defence Secretary Ash Carter said in comments published on February 13, 2016. (Photo by Danny Lawson/Reuters)





The Queen of the Carnival throws flowers during the flower parade part of the carnival in Nice, France, February 13, 2016. The 132nd Carnival of Nice will take place from February 13 to 28 and will celebrate the “King of Media”. (Photo by Eric Gaillard/Reuters)





Police officers use a sniffer dog for a security check on a float of the flower parade as part of the Carnival in Nice, France, February 13, 2016. (Photo by Eric Gaillard/Reuters)





Artists perform during the flower parade as part of the carnival in Nice, France, February 13, 2016. (Photo by Eric Gaillard/Reuters)





Brazilian dancers perform during the flower parade as part of the carnival in Nice, France, February 13, 2016. (Photo by Eric Gaillard/Reuters)





Neo-Nazi groups commemorate the “Day of Honour” in Budapest, Hungary February 13, 2016. The group is commemorating the breakout attempt by Schutzstaffel (SS) troops from Soviet-surrounded Budapest during World War Two. The Schutzstaffel was a Nazi military organisation under Adolf Hitler and the Nazi Party. (Photo by Laszlo Balogh/Reuters)





Neo-Nazi groups commemorate the “Day of Honour” in Budapest, Hungary February 13, 2016. (Photo by Laszlo Balogh/Reuters)





Neo-Nazi groups commemorate the “Day of Honour” in Budapest, Hungary February 13, 2016. (Photo by Laszlo Balogh/Reuters)





A woman carries her child in a camp sheltering internally displaced people (IDPs) next to the M'Poko international airport in Bangui, Central African Republic, February 13, 2016. (Photo by Siegfried Modola/Reuters)





People line up to cast their ballots in the second round of presidential election and the first round of legislative elections in the Fatima district of Bangui, Central African Republic, Sunday February 14, 2016. Two former prime ministers, Faustin Archange Touadera and Anicet Georges Dologuele, are running neck-and-neck in the second round of presidential elections to end years of violence pitting Muslims against Christians in the Central African Republic. Central Africans will also vote in Legislative elections. (Photo by Jerome Delay/AP Photo)





UN peacekeepers from Congo Brazaville walk in the PK5 district after unloading a truck of its voting material and ballots at a polling station in Bangui, Central African Republic, Saturday February 13, 2016. (Photo by Jerome Delay/AP Photo)





A man jogs along a flooded footpath in Kew, south-west London, Britain February 13, 2016. Some areas of south-west London experienced localised flooding when the River Thames burst its banks as a result of heavy rain and high tides. (Photo by Hannah McKay/Reuters)





Patriarch Kirill, the head of the Russian Orthodox Church (C), poses with children at the special needs school “Solidaridad con Panama” (Solidarity with Panama) in Havana, February 13, 2016. (Photo by Ernesto Mastrascusa/Reuters)





An army soldier explain how to combat the Aedes aegypti mosquito that spreads the Zika virus, at the Central station, in Rio de Janeiro, Brazil, Saturday, February 13, 2016. More than 200,000 army, navy and air force troops are fanning out across Brazil to show people how to eliminate the Aedes aegypti mosquito that spreads the Zika virus, which many health officials believe is linked to severe birth defects. The nationwide offensive is part of President Dilma Rousseff's declared war on the virus that has quickly spread across the Americas. (Photo by Silvia Izquierdo/AP Photo)





Scott Brown, right, follows his shot from the 10th fairway of the Monterey Peninsula Country Club Shore Course, with large waves in the background, during the second round of the AT&T Pebble Beach National Pro-Am golf tournament Friday, February 12, 2016, in Pebble Beach, Calif. At left is Brown's playing partner Colt Ford. (Photo by Eric Risberg/AP Photo)





Emergency personnel work at the scene of a crash near Fredericksburg, Pa., Saturday, February 13, 2016. State police say a pileup has closed Interstate 78 in central Pennsylvania. (Photo by Daniel Zampogna/PennLive.com via AP Photo)





A TV journalist reports next to a life-size cutout of Pope Francis outside the Catholic Nunciature before the pontiff arrives in Mexico City, Friday, February 12, 2016. Pope Francis is arriving in Mexico on Friday for a week-long visit. (Photo by Christian Palma/AP Photo)





People wrapped in blankets with a photograph of Pope Francis wait for the Pope outside the Basilica of Guadalupe in Mexico City, February 13, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





People wait for the arrival of Pope Francis at the Guadalupe's Basilica in Mexico City, February 13, 2016. (Photo by Carlos Garcia Rawlins/Reuters)





Participants dressed as “minions” assemble at the start of the Minions Run charity event in Tokyo, Saturday, February 13, 2016. Some 10,000 runners enjoyed one kilometer run for the charities of children. (Photo by Eugene Hoshiko/AP Photo)