South Korean army soldiers ride a K-1 tank during the annual exercise in Paju, near the border with North Korea, Friday, February 19, 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 grew after its recent nuclear test and rocket launch. (Photo by Ahn Young-joon/AP Photo)





Models display creations on the catwalk during the SIBLING Autumn/Winter 2016 show, part of London Fashion Week, in London, Saturday February 20, 2016. (Photo by Daniel Leal-Olivas/PA Wire via AP Photo)





A Chinese opera actress applies make-up backstage before a performance in Chinatown in Bangkok February 17, 2016. In Bangkok's Chinatown, festooned with red lanterns, opera companies perform mythical stories depicting battles and a search for love and justice as celebrations that mark the Lunar New Year come to a close. Thailand is home to the largest overseas Chinese community in the world. (Photo by Jorge Silva/Reuters)





A Chinese opera actress applies make-up backstage before a performance in Chinatown in Bangkok February 17, 2016. (Photo by Jorge Silva/Reuters)





Chinese opera actors sit down backstage during a performance in Chinatown in Bangkok February 18, 2016. (Photo by Jorge Silva/Reuters)





The new SpaceShipTwo, a six-passenger two-pilot vehicle meant to ferry people into space that replaces a rocket destroyed during a test flight in October 2014, is unveiled in Mojave, California, United States, February 19, 2016. (Photo by Lucy Nicholson/Reuters)





Soldiers from China's People's Liberation Army (PLA) jump over a gap at a wild field during a training session in temperatures below minus 20 degrees Celsius (minus 4 degrees Fahrenheit) in Heihe, Heilongjiang Province, China, February 19, 2016. (Photo by Reuters/Stringer)





A child examines some of the dead farmed fish floating in Lake Maninjau, West Sumatra province Indonesia February 20, 2016 in this photo taken by Antara Foto. Fishery officials say that up to 30 tonnes of farmed fish have died due to high winds on the lake. (Photo by Iggoy el Fitra/Reuters/Antara Foto)





Commander of a volunteer battalion Mykola Kokhanivsky throws a stone against the window of an office that belongs to Ukraine tycoon Rinat Akhmetov in Kiev, Ukraine, Saturday, February 20, 2016. The activists blame Akhmetov of supporting corruption and pro-russian separatists. The anniversary of a massacre in which more than 100 people were killed by sniper fire during massive protests two years ago. (Photo by Efrem Lukatsky/AP Photo)





Interior Ministry security force members stand guard outside a branch of Russian bank Sberbank which was attacked during a protest against Russia in Kiev, Ukraine, February 20, 2016. (Photo by Gleb Garanich/Reuters)





A radical protester hurls a stone at a regional branch of Sberbank, Russia's largest bank, during a protest against Russia in Kiev, Ukraine, February 20, 2016. (Photo by Gleb Garanich/Reuters)





Interior Ministry security force members stand guard outside a branch of Russian bank Sberbank which was attacked during a protest against Russia in Kiev, Ukraine, February 20, 2016. (Photo by Gleb Garanich/Reuters)





A woman reacts during a commemoration ceremony at the site where anti-Yanukovich protesters were killed during clashes in 2014 in Kiev, Ukraine, February 20, 2016. Ukrainians marked the second anniversary of Ukrainian pro-European Union (EU) mass protests which caused a change in the country's leadership and brought Ukraine closer to the EU. (Photo by Gleb Garanich/Reuters)





In this August 1, 2015 file photo, Italian writer Umberto Eco waits to visit Italian artist Leonardo Da Vinci's painting “The last Supper”, Milan, Italy. Eco, best known for the international best-seller “The Name of the Rose”, died Friday, February 19, 2016. He was 84. (Photo by Daniel Dal Zennaro/ANSA via AP Photo)





A lantern of “Monkey King” also known as “Sun Wukong” is seen ahead of the Lantern Festival at Yu Yuan Garden in downtown Shanghai, China, February 20, 2016. (Photo by Aly Song/Reuters)





A Balinese Hindu climbs on top of a pyramid made of wooden sticks during the Mekotek festival which takes place on the holy day of Kuningan to celebrate the victory of Dharma in the village of Munggu on the Indonesian resort island of Bali, February 20, 2016. (Photo by Roni Bintang/Reuters)





Israeli soldiers and border policemen detain an Israeli peace activist during a demonstration against the closure of Shuhada street to Palestinians, in the West Bank city of Hebron February 20, 2016. (Photo by Mussa Qawasma/Reuters)





A Burundian soldier walks infront of residents during a demonstration against the Rwandan government in Burundi's capital Bujumbura, February 20, 2016. (Photo by Evrard Ngendakumana/Reuters)





Russian artist Vasily Slonov shows his artwork depicting an axe with symbols of world currencies which he called “Extraction money's axe”, on a bank of the Yenisei River in Krasnoyarsk, Siberia, Russia, February 20, 2016. Slonov showed his artwork specially for the Krasnoyarsk Economic Forum, according to him. (Photo by Ilya Naymushin/Reuters)





Russian Orthodox Patriarch Kirill walks after attending a mass in front of the Christ the Redeemer statue, in Rio de Janeiro, Brazil, February 20, 2016. (Photo by Ricardo Moraes/Reuters)





Kurdish visitors arrive to attend the Kurdistan Ice and snow festival held at Kudu Mountain near the Iraq-Iran border town of Haj Omran, in the autonomous Kurdistan region of Iraq, February 20, 2016. (Photo by Azad Lashkari/Reuters)





Kurdish visitors arrive to attend the Kurdistan Ice and snow festival held at Kudu Mountain near the Iraq-Iran border town of Haj Omran, in the autonomous Kurdistan region of Iraq, February 20, 2016. (Photo by Azad Lashkari/Reuters)





Kurdish visitors arrive to attend the Kurdistan Ice and snow festival held at Kudu Mountain near the Iraq-Iran border town of Haj Omran, in the autonomous Kurdistan region of Iraq, February 20, 2016. (Photo by Azad Lashkari/Reuters)





Kurdish dancers perform during the Kurdistan Ice and snow festival held at Kudu Mountain near the Iraq-Iran border town of Haj Omran, in the autonomous Kurdistan region of Iraq, February 20, 2016. (Photo by Azad Lashkari/Reuters)





Madonna performs during her Rebel Heart Tour concert at Studio City in Macau, China February 20, 2016. (Photo by Bobby Yip/Reuters)





Women gather grain spilled by cargo trucks from Zambia along a highway in Magunje, Zimbabwe, February 20, 2016. Earlier this month Zimbabwean President Robert Mugabe declared a state of disaster in most rural parts of the country severely hit by a drought. (Photo by Philimon Bulawayo/Reuters)





A supporter of Iranian former vice-president Mohammad Reza Aref, a candidate for the upcoming parliamentary elections, holds his picture during a reformist campaign in Tehran February 20, 2016. (Photo by Raheb Homavandi/Reuters/TIMA)





An archive picture shows French General Joseph Joffre (2ndR) congratulating and awarding medals to soldiers, who fought in the Battle of Verdun, in Verdun, France, in March 1916. A Viscount in the Armoured Cavalry Branch of the French Army left behind a collection of hundreds of glass plates taken during World War One (WWI). The images, by an unknown photographer, show the daily life of soldiers in the trenches, destruction of towns and military leaders. Sunday February 21, 2016 marks the 100th anniversary of the start of the Battle of Verdun, fought from February 21 to December 18, 1916. It was one of the largest battles of the First World War on the Western Front between German and French armies. (Photo by Reuters/Collection Odette Carrez)





A man shouts slogans during a rally called by the February 20 Movement to mark the sixth anniversary of the movement and to demand political reforms and social changes in Rabat February 20, 2016. (Photo by Youssef Boudlal/Reuters)





Protesters vandalize and damage vehicles during a pro caste quota protest in Rohtak, 70 kilometers (45 miles) west of New Delhi, India, Friday, February 19, 2016. India's paramilitary forces shot and killed one person on Friday as protests for government benefits turned violent in northern India, police said. Thousands of people belonging to the Jat agricultural community were protesting in Rohtak and other towns in Haryana state, to demand an increase in their caste quota benefits, which include guaranteed government jobs or university spots. (Photo by Deepak Khanna/AP Photo)





Indian Army personnel take position near the Entrepreneurship Development Institute (EDI) building, in Sempora Pampore, some 15 km south of Srinagar, the summer capital of Indian Kashmir, 20 February 2016. A Central Reserve Police Force (CRPF) officer was killed and others injured after militants stormed the EDI, and opened fire, according to news reports. Around 30 employees and 160 candidates being trained were trapped and later evacuated. (Photo by Farooq Khan/EPA)





Oskars Melbardis, Daumants Dreiskens, Arvis Vilkaste and Janis Strenga of Latvia speed down the track during their second run of the four-man bob race at the Bob World Championships in Igls, near Innsbruck, on Saturday, February 20, 2016. (Photo by Kerstin Joensson/AP Photo)





A photograph made available on 20 February 2016 shows a young boy jumping over hundreds of fish heads being dried on the ground on the shore of Lake Victoria in Kampala, Uganda, 19 February 2016. Ugandan President Yoweri Museveni was elected to another five-year term in office, the Electoral Commission said on 20 February, extending his 30-year grip on power. (Photo by Dai Kurokawa/EPA)





Participants reach for a “Phet”, a bamboo ball painted red to symbolize the sun, during the Cuop Phet (Ball Scrambling) Festival in Phu Tho province, Vietnam, 20 February 2016. The festival is held annually on the 12th day of the first lunar month. (Photo by Luong Thai Linh/EPA)





A visitor pulls a dog pram carrying a French bulldog during the Hong Kong Pet Show in Hong Kong, China, 20 February 2016. The show runs through 21 February. (Photo by Jerome Favre/EPA)





Students from CAS Ballet Theatre School stretch on the sidewalk Saturday, February 20, 2016, in Ann Arbor, Mich. (Photo by Junfu Han/The Ann Arbor News via AP Photo)





Natasha Hastings (4) leads the pack going into the last lap of the women's 400 meter run at the Millrose Games, Saturday, February 20, 2016, in New York. Hastings won the event. (Photo by Julie Jacobson/AP Photo)