A child looks at men dressed as a mosquito during a health campaign in Cali, Colombia, Colombia, February 17, 2016. Municipal health authorities in Cali delivered mosquito nets to pregnant women and installed guppy fish bowls as a preventive measure against the Aedes aegypti mosquito, which is said to transmit the Zika virus. (Photo by Jaime Saldarriaga/Reuters)





A model is made up backstage during Code 41 fashion show in the Andalusian capital of Seville, southern Spain February 17, 2016. (Photo by Marcelo del Pozo/Reuters)





A relative of an employee of a municipal offices cries, after a group of protesters occupied and set fire to it, in El Alto, in the outskirts of La Paz, February 17, 2016. Tensions are high in the country ahead of a national referendum on Sunday which will ask Bolivians if they wish to alter the constitution to allow President Evo Morales to run for a fourth term. (Photo by David Mercado/Reuters)





A riot policeman stands next to the entrance of municipal offices, after a group of protesters occupied and set fire to it, in El Alto, in the outskirts of La Paz, February 17, 2016. (Photo by David Mercado/Reuters)





Aymara women protest next to burned municipal offices, after a group of protesters occupied and set fire to it, in El Alto, in the outskirts of La Paz, February 17, 2016. (Photo by David Mercado/Reuters)





Injured municipal employees receive first aid after a group of protesters occupied and set fire to municipal offices in El Alto, on the outskirts of La Paz, February 17, 2016. Tensions are high in the country ahead of a national referendum on Sunday which will ask Bolivians if they wish to alter the constitution to allow President Evo Morales to run for a fourth term. (Photo by Reuters/APG agency)





Employees use an Apple iPhone to demonstrate to reporters how to pay using Apple Pay service at an Apple store in Beijing, China, February 17, 2016. (Photo by Damir Sagolj/Reuters)





People attend the Mass celebrated by Pope Francis in Ciudad Juarez, Mexico February 17, 2016. (Photo by Edgard Garrido/Reuters)





U.S. F-22 stealth fighter jets fly over Osan Air Base in Pyeongtaek, South Korea, February 17, 2016. (Photo by Kim Hong-Ji/Reuters)





U.S. Republican presidential candidate Jeb Bush (2nd R) walks past a security guard with a sidearm and a tattoo of the start of the preamble to the U.S. constitution, “We the people”, after a town hall meeting with employees at FN America gun manufacturers in Columbia, South Carolina February 16, 2016. (Photo by Jonathan Ernst/Reuters)





Children wave Albanian (R) and Kosovar flags on the “Newborn” monument during a celebration marking the eighth anniversary of Kosovo's declaration of independence from Serbia, in Pristina February 17, 2016. (Photo by Marko Djurica/Reuters)





A folk artist wearing traditional costumes poses as he performs during a celebration event for Chinese Lunar New Year in Baoji, Shaanxi Province, China, February 14, 2016. (Photo by Reuters/Stringer)





Ethnic Miao men wearing traditional masks smear dust on a woman's face to wish her good luck during local celebration event for Lunar New Year in Liuzhou, Guangxi Zhuang Autonomous Region, China, February 16, 2016. (Photo by Reuters/Stringer)





Locals try to pull two fighting bulls away to break up their fight during a bullflighting contest to celebrate the Chinese Lunar New Year in Longli County, Guizhou Province, China, February 17, 2016. (Photo by Reuters/Stringer)





Emergency workers help an injured person on the ground near the site of an explosion after an attack targeted a convoy of military service vehicles in Ankara on February 17, 2016. At least 18 people were killed and 45 wounded by a car bomb targeting the military in the heart of the Turkish capital Ankara on February 17, the city's governor said. The bloodshed came on the heels of a string of attacks in Turkey, blamed on jihadists but also on Kurdish rebels. The bomb aimed at a convoy of military service vehicles, Ankara governor Mehmet Kiliclar said, quoted by the CNN-Turk and NTV channels. (Photo by AFP Photo/Cihan)





Members of Turkish forces gather around a bus that was destroyed in an explosion on the road linking the cities of Diyarbakir and Bingol, in southeastern Turkey, Thursday, February 18, 2016. Six soldiers were killed after PKK rebels detonated a bomb on the road as their vehicle was passing by, according to Turkey’s state-run Anadolu Agency. The deaths come a day after a suicide bombing claimed the lives of at least 28 people and wounded dozens of others. (Photo by Mahmut Bozarslan/AP Photo)





A family member of Wednesday's car bombing victims mourns outside a morgue in Ankara, Turkey, February 18, 2016. Twenty-eight people were killed and dozens wounded in Turkey's capital Ankara on Wednesday when a car laden with explosives detonated next to military buses near the armed forces' headquarters, parliament and other government buildings. (Photo by Umit Bektas/Reuters)





South Korean army K-2 tanks fire during a live firing drill at a fire training field in Yangpyeong, South Korea, February 18, 2016. (Photo by Lim Se-young/Reuters/News1)





Smoke bombs explode near a South Korean army K-2 tank during a live firing drill at a fire training field in Yangpyeong, South Korea, Thursday, February 18, 2016. North Korean leader Kim Jong Un recently ordered preparations for launching “terror” attacks on South Koreans, a top Seoul official said Thursday, as worries about the North grow after its recent nuclear test and rocket launch. (Photo by Lim Hun-jung/Yonhap via AP Photo)





Worker carries fresh Parmesan wheel off storehouse shelf a 4 Madonne Caseificio dell'Emilia dairy cooperative in Modena, Italy, February 16, 2016. When Parmesan prices proved too volatile for Italy's strained banks a dairy cooperative near Bologna came up with a novel solution to its funding needs, bonds backed by wheels of cheese. But 4 Madonne Caseificio dell'Emilia remains an exception among small businesses struggling to get long-term funds in Italy, where a credit crunch risks holding back a fragile economic recovery after more than a decade of stagnation. (Photo by Alessandro Bianchi/Reuters)





Members of the media and residents gather around a mobile museum displayed on an improvised handcart in Dharavi, one of Asia's largest slums, in Mumbai, India, February 18, 2016. (Photo by Danish Siddiqui/Reuters)





Residents gather around a mobile museum displayed on an improvised handcart in Dharavi, one of Asia's largest slums, in Mumbai, India, February 18, 2016. (Photo by Danish Siddiqui/Reuters)





Residents gather around a mobile museum displayed on an improvised handcart in Dharavi, one of Asia's largest slums, in Mumbai, India, February 18, 2016. (Photo by Danish Siddiqui/Reuters)





A boy looks while on a vehicle carrying the coffin of Lutf al-Quhum, a prominent pro-Houthi religious singer, during a funeral procession in Sanaa February 18, 2016. Quhum and a Houthi fighter were reportedly killed during fighting against pro-government forces in the country's central province of Marib. (Photo by Mohamed al-Sayaghi/Reuters)





A Houthi militant carries his weapon during the funerals of Lutf al-Quhum, a prominent pro-Houthi religious singer, and a Houthi fighter, in Yemen's capital Sanaa, February 18, 2016. The two men were reportedly killed during fighting against pro-government forces in the country's central province of Marib. (Photo by Mohamed al-Sayaghi/Reuters)





Paula, 7, poses with her horse on the cracked ground of Atibainha dam, part of the Cantareira reservoir, in Nazare Paulista, near Sao Paulo, Brazil, February 12, 2015. (Photo by Nacho Doce/Reuters)





A man speaks on his mobile phone at colonial Granada city, Nicaragua February 17, 2016. Picture taken February 17, 2016. (Photo by Oswaldo Rivas/Reuters)





Used plush toys are displayed for sale in the colonial Granada city, Nicaragua February 17, 2016. Pictures taken Febraury 17, 2016. (Photo by Oswaldo Rivas/Reuters)





Women morn the death of a relative killed by Islamic State fighters while carrying his picture in Mteahh village near al-Shadadi town, Hasaka countryside Syria February 18, 2016. (Photo by Rodi Said/Reuters)





Pope Francis gestures during a meeting with the media onboard the papal plane while en route to Rome, Italy February 17, 2016. Picture taken February 17, 2016. (Photo by Alessandro Di Meo/Reuters)





Pieces of an iPhone are seen in a repair store in New York, February 17, 2016. A court order demanding that Apple Inc help the U.S. government unlock the encrypted iPhone of one of the San Bernardino shooters opens a new chapter in the legal, political and technological fight pitting law enforcement against civil liberties advocates and major tech companies. (Photo by Eduardo Munoz/Reuters)





Traders, brokers and clerks shout and gesture on the trading floor of the open outcry pit at the London Metal Exchange (LME), at their new premises on Finsbury Square, in London, U.K in London, U.K., on Thursday, February 18, 2016. The new LME ring has capacity to host 14 members. (Photo by Chris Ratcliffe/Bloomberg)





Ultra-orthodox Jewish women share a candle light diner to celebrate the Jewish ritual of “Sheva Brachot” (The seven blessings), also known as the wedding blessings, on February 17, 2016 in Kadita an unrecognised community village in northern Israel. The ritual in celebrate during a seven days period after a couple gets married. (Photo by Menahem Kahana/AFP Photo)





Some of the hundreds of people dance to music played through wireless headsets the Secret Sunrise dance and yoga session on top of a car park at 27 Boxes in Johannesburg, South Africa, 18 February 2016. The popular craze has become very popular with the city's residents, who dance from 6am to 7am prior to going to work. The session includes yoga from 5am to 6am and then one hour of led dance using wireless headsets. The venue changes from session to session and is all co-ordinated via social media. (Photo by Kim Ludbrook/EPA)





The Marchesa Fall 2016 collection is modeled during New York Fashion Week, Wednesday, February 17, 2016. (Photo by Diane Bondareff/AP Photo)





Romanian honor guard soldiers carry a wreath of flowers during a commemoration dedicated to the Russian soldiers that were killed 71 years ago during WWII, at Russian Soldiers Cemetery in Bucharest, Romania, 18 February 2016. Romanian Honor Guard soldiers, WWII veterans, school children, and human-rights associations attended the event organized by the Russian Federation's Embassy in Bucharest, to mark the 'Day of the Defenders of the Fatherland', that is celebrated in Russia each year on 23 February. Sixty nine thousands Russian soldiers died on duty on Romanian soil during the WWII battles. (Photo by Robert Ghement/EPA)





Humanoid robot “Toro” at the German Centre for Aeronautics (DLR) receives a cube, at the Future Perspective Industry 2030 (Zukunftsperspektive Industrie 2030) conference of the Federal Ministry of Economics in Berlin, Germany, 18 February 2016. (Photo by Rainer Jensen/EPA)





Kashmiri children play on a swing made from rope, on the outskirts of Srinagar, the summer capital of Indian Kashmir, 18 February 2016. The temperature in the Kashmir valley has risen and people are out enjoying the warmer weather. (Photo by Farooq Khan/EPA)





A hospital worker resists against riot police during a protest against planned pension reforms by the Greek government outside the entrance of the Finance Ministry during a protest against planned pension reforms by the Greek government, in Athens, Greece, 18 February 2016. (Photo by Yannis Kolesidis/EPA)





The new cruise ship “Ovation of the Seas” before being pulled out of the construction dock, at Meyer dockyard in Papenburg, Germany, 18 February 2016. The 4,180-passenger vessel was built for the US – American shipping company, Royal Caribbean. (Photo by Carmen Jaspersen/EPA)





Genzebe Dibaba celebrates after breaking the World Record women 1 Mile event at the Globen Gala athletics meet in Stockholm, Sweden, Wednesday February 17, 2016. Dibaba set a new World Record during the games. (Photo by Soren Andersson /TT via AP Photo)





Texas Tech's Toddrick Gotcher runs toward fans to celebrate after an NCAA college basketball game against Oklahoma on Wednesday, February 17, 2016, in Lubbock, Texas. Texas Tech won 65-63. (Photo by Brad Tollefson/AP Photo)





The peloton is on the way during the third stage of the Tour of Oman 2016 cycling race over 176,5km from Al Sawadi Beach to Barka Nasseem Park, Oman, February 18, 2016. (Photo by Sebastien Nogier/EPA)





A voter stretches her arms as she and other Ugandans continue to queue to cast their votes at sunset in the capital Kampala, Uganda Thursday, February 18, 2016. Amid tardy delivery of voting materials, Ugandans tried to cast ballots Thursday in presidential and parliamentary elections, while a top international election observer called the delays “worrying” and the main opposition party said they were deliberate. (Photo by Ben Curtis/AP Photo)





Women queue to cast their votes in presidential and parliamentary elections at a polling station in Nabweru, Kampala, Uganda, 18 February 2016. Frustrations grew at many polling stations as voters waited for the arrival of the voting materials hours after the polls opened in the morning. Uganda Communications Commission confirmed that it has shut down the social media such as Facebook and Twitter saying there was information that they were being used to bribe voters. Incumbent President Yoweri Museveni faces tough challenges posed by the main opposition candidates, Kizza Besigye, his former army doctor and his former premier Amama Mbabazi. (Photo by Dai Kurokawa/EPA)





Students, teachers and supporters of left parties protest against the arrest of a student union leader of New Delhi's Jawaharlal Nehru University outside Jadavpur University campus in Kolkata, India, Thursday, February 18, 2016. Scenes of protest that rocked a New Delhi university this week spread across the country Thursday, with students and teachers from cities including Bangalore, Kolkata and Chennai joining demands for the release of a student leader arrested on sedition charges. (Photo by Bikas Das/AP Photo)





Participants in action during the tug of war Indoor World Championship 2016 at the Opperdam sports hall in Volendam, The Netherlands, February 18, 2016. (Photo by Remko De Waal/EPA)





An Iranian supporter of reformist group flashes victory sign during the first reformists election campaign in Tehran, Iran, February 18, 2016. (Photo by Abedin Taherkenareh/EPA)





A special army vehicle paves a road between the two fences at the border line between Greece and Macedonia near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, February 18, 2016. Worried that the country may become stuck with thousands of people if countries to the north clamp down, Macedonia began reinforcing and expanding a mesh- and razor-wire fence on the path of migrants arriving from Greece. Thousands of refugees continue to pass through Macedonia on their way to the European Union. (Photo by Georgi Licovski/EPA)





A Ugandan policeman struggles to keep hold of a box containing voting material, as excited voters surround him after waiting over 7 hours without being able to vote, at a polling station in Ggaba, on the outskirts of Kampala, in Uganda Thursday, February 18, 2016. Ugandans went to the polls Thursday but in Ggaba hundreds of people waited for seven hours for voting papers to arrive and when they discovered there were only ballots for choosing MPs, with no ballots to vote for president, they overpowered the police, destroyed the ballots for MPs, and the polling station had to be abandoned. (Photo by Ben Curtis/AP Photo)





In this image taken from video provided by Shawn Winrich, a helicopter crashes near Parl Harbor, Hawaii on Thursday, February 18, 2016. The private helicopter with five people aboard crashed and sunk into the water, leaving a teenage passenger in critical condition. (Photo by Shawn Winrich/AP Photo)





A Kashmiri fisherman on Dal Lake in Srinagar, the summer capital of Indian Kashmir, 18 February 2016. The temperature in the Kashmir valley has risen and people are out enjoying the warmer weather. (Photo by Farooq Khan/EPA)





A clown waves a cloth-dragon while roller skating on February 18, 2016 in Wuhan, Hubei Province of China. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)





This frame grab from video released to AFP from Australian television's Channel 7 on February 18, 2016 shows a car surrounded by fast-growing tumbleweed outside a home in the town of Wangaratta, 250 kilometres (150 miles) northeast of Melbourne. Hairy panic is paralysing parts of an Australian town – but it's not quite the existential nightmare it sounds, just a fast-growing tumbleweed. This season has seen an unusual amount of hairy panic – known scientifically as Panicum effusum – with hundreds of thousands of the fuzzy, yellowish plants swamping the entrances of homes, driveways and backyards. (Photo by AFP Photo/Channel 7)





This frame grab from video released to AFP from Australian television's Channel 7 on February 18, 2016 shows a man clearing out fast-growing tumbleweed from a home in the town of Wangaratta, 250 kilometres (150 miles) northeast of Melbourne. (Photo by AFP Photo/Channel 7)





In this Wednesday, February 17, 2016 photo Russian Orthodox Church Patriarch Krill poses at the Bellingshausen station at King George Island of Waterloo, Antarctica. (Photo by Igor Palkin/Russian Orthodox Church Press Service photo via AP Photo)





Members of the Popular Mobilisation Units, pro-government paramilitaries forces, cover their ears as they fire a multiple rocket launcher during clashes with Islamic State (IS) group jihdists in Iraq's northern Kirkuk province on February 18, 2016. (Photo by Mohammed Sawaf/AFP Photo)





Palestinians play in the ruins of a building that was destroyed in the 2014 war between Israel and Hamas militants, in Gaza City, on February 16, 2016. (Photo by Mohammed Abed/AFP Photo)