In this image released by the U.S. Navy, a Russian SU-24 jet makes a close-range and low altitude pass near the USS Donald Cook on Tuesday, April 12, 2016, in the Baltic Sea. The Russian attack planes buzzed the U.S. Navy destroyer multiple times on Monday and Tuesday, at one point coming so close, an estimated 30 feet, that they created wakes in the water around the ship, a U.S. official said Wednesday, April 13. (Photo by U.S. Navy via AP Photo)





A Buddhist nun walks in line with novice nuns to receive food from people during the Songkran Festival at the Sathira-Dhammasathan Buddhist meditation centre in Bangkok, Thailand, April 13, 2016. (Photo by Athit Perawongmetha/Reuters)





Unidentified relatives of Raja Begum, a civilian, mourn during her funeral in Langate, north of Srinagar, April 13, 2016. Hundreds of Kashmiris on Wednesday participated in the funeral prayers of Begum who was wounded after Indian security forces fired on protesters on Tuesday in north Kashmir's Handwara town, local media reported. Begum passed away in a hospital on Wednesday. (Photo by Danish Ismail/Reuters)





A soldier from Indonesia's Rapid Reaction Strike Force (PPRC) jumps out from the back of an Air Force transport plane during a parachute training exercise in Tarakan, North Kalimantan province, April 13, 2016 in this photo taken by Antara Foto. (Photo by Reuters/Fadlansyah/Antara Foto)





Police escort a group of people wanted for suspected fraud in China, after they were deported from Kenya, as they get off a plane after arriving at Beijing Capital International Airport in Beijing, China, April 13, 2016. (Photo by Yin Gang/Reuters/Xinhua)





A press officer poses with “Pepper” the Humanoid Robot at the “World of Me: Store of the near future installation” in London, Britain, April 13, 2016. The robot is the first humanoid robot capable of recognising the principal human emotions and adapting his behaviour accordingly. (Photo by Hannah McKay/Reuters)





The father of a boy smiles as firemen rescue the boy whose head is stuck between protective bars outside a window in Wuhan, Hubei Province, China, in this April 11, 2016 picture. (Photo by Reuters/Stringer)





Firemen rescue a boy whose head is stuck between protective bars outside a window in Wuhan, Hubei Province, China, in this April 11, 2016 picture. (Photo by Reuters/Stringer)





A policeman hold his shield covered with egg during a protest in front of ruling party VMRO head quotes in Skopje, Macedonia, April 12, 2016. President Gjorge Ivanov ordered a halt on Tuesday to all criminal inquiries into allegations of a vast government wiretap operation, prompting the opposition to demand his resignation for a move it said amounted to a “coup d'etat”. (Photo by Ognen Teofilovski/Reuters)





Workers carry a portrait of Russian President Vladimir Putin, knitted with huge wooden needles by artist Natalia Yudina, during preparations for the Museum Night at Krasnoyarsk Museum Centre in the Siberian city of Krasnoyarsk, Russia, April 13, 2016. (Photo by Ilya Naymushin/Reuters)





Boys react during the funeral of Fathi Zaydan, a Fatah official responsible for the Palestinian camp of Mieh Mieh, after an explosion that killed him yesterday, during his funeral in Mieh Mieh Palestinian refugee camp, near the port-city of Sidon, Lebanon, April 13, 2016. (Photo by Ali Hashisho/Reuters)





An employee writes the wine variety on a cask in a wine shop in Alella, near Barcelona, Spain, April 13, 2016. (Photo by Albert Gea/Reuters)





A woman wearing a sevillana dress holds a mobile phone during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain, April 13, 2016. The fair will run until April 17. (Photo by Marcelo del Pozo/Reuters)





Women wearing sevillana dresses dance during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain, April 13, 2016. (Photo by Marcelo del Pozo/Reuters)





A woman wearing a sevillana dress walks during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain, April 13, 2016. (Photo by Marcelo del Pozo/Reuters)





A woman wearing a sevillana dress smiles during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain, April 13, 2016. (Photo by Marcelo del Pozo/Reuters)





Participants in traditional dress ride on horseback as they enjoy the atmosphere at the Feria de Abril (April's Fair) on April 12, 2016 in Seville, Spain. The Feria de Abril has a history that dates back to 1857 and takes place a fortnight after Easter each year. The origin of the fair was a cattle market but the event quickly turned its goal from commerce to having fun. More than 1 million local and international participants are expected to attend the Feria de Abril. (Photo by David Ramos/Getty Images)





Airbnb contest winners Wu Hao and Tang Di (L) pose as they enjoy a dinner before spending a night among sharks in an underwater structure installed in the Aquarium of Paris, April 13, 2016. (Photo by Charles Platiau/Reuters)





Airbnb contest winners Wu Hao (R) and Tang Di of China pose before spending a night among sharks in an underwater structure installed in the Aquarium of Paris, April 13, 2016. (Photo by Charles Platiau/Reuters)





A view of atmosphere at the Bernie Sanders rally at McCann Arena at Marist College on April 12, 2016 in Poughkeepsie, New York. (Photo by Kenneth Gabrielsen/Getty Images)





Activists wearing suits throw fake money into the air while demanding greater trasparency in new legislation following the ongoing Panama Papers affair on April 13, 2016 in Berlin, Germany. Police in Panama have reportedly raided the offices of Mossack Fonseca, the law-firm accused of facilitating large-scale offshore tax evasion for thousands of its clients. (Photo by Sean Gallup/Getty Images)





People clash with riot police during a demonstration against the government's planned labour reform on April 13, 2016 in Vaulx-en-Velin, central eastern France, near the building hosting the 3rd interministerial committee on equality and citizenship. (Photo by Jeff Pachoud/AFP Photo)





Visitors look at a humanoid 3D-print robot during the spring edition of the Hong Kong Electronics Fair in Hong Kong, China, 13 April 2016. The different parts of the robot were made on a 3D printer with an open source software. The robot can do gesture capture, 3D depth recognition and presence detection. The fair features over 3000 exhibitors from 24 countries and runs through 16 April. (Photo by Jerome Favre/AFP Photo)





A Chinese, wearing a mask, passes by a sculpture during a smoggy day in Beijing city, China, 13 April 2016. The Chinese Ministry of Environmental Protection received about 15,000 public complaints about pollution in 2015. The air pollution tip-offs became the top 78.3 percent of all complaints received through the ministry's hotline and 68 percent through the WeChat, according to the media reports. (Photo by Wu Hong/EPA)





A visitor walks past the piece “Pumpkin” from by Yayoi Kusama in Cologne, Germany, 13 April 2016. The largest art fair in Germany takes place for the 50th time in Cologne. On show are contemporary works and modern classics. (Photo by Federico Gambarini/EPA)





A zookeeper interacts with Tukta at Taronga Zoo on April 13, 2016 in Sydney, Australia. The zoo's three female elephants were painted as they are in Thailand to recognise the Thai New Year. (Photo by Brendon Thorne/Getty Images)





A man prepares to fly a kite during the 30th International Kite Festival in Berck-sur-Mer in northern France on April 12, 2016. (Photo by Philippe Huguen/AFP Photo)





Members of the Ballet du Capitole in Toulouse dance on April 13, 2016 in the Auditorium Saint-Pierre des Cuisines in Toulouse part of a new show entiled “Mur Mur or Walls Walls” directed and choreographed by the company's director Kader Belardi. Kader Belardi is presenting his new show “Paradise Lost”, a ballet in three parts including two creations “Mur-Mur” and “A Thousand of Thoughts” by Spanish choreographer Angel Rodriguez. (Photo by Pascal Pavani/AFP Photo)





Election posters promoting candidates for Seoul's parliamentary election are hung on string over the Cheonggye Stream in Seoul, South Korea, April 13, 2016. (Photo by Ahn Young-joon/AP Photo)





Kate, the Duchess of Cambridge walks with baby rhinos at the Centre for Wildlife Rehabilitation and Conservation (CWRC) at Panbari reserve forest in Kaziranga, east of Gauhati, northeastern Assam state, India, Wednesday, April 13, 2016. The royal couple spent several hours at the Kaziranga National Park in hopes of drawing attention to the plight of endangered animals, including the park's 2,200-population of a rare, one-horned rhinos. (Photo by Anupam Nath/Pool Photo via AP Photo)





A museum worker adjusts lingerie during the press preview of Undressed: A Brief History of Underwear at the Victoria and Albert museum, in London, Tuesday April 12, 2016. Think of it as Victoria's (and Albert's) secret. London's Victoria and Albert Museum has peeled back fashion's layers to expose everything from long johns to lingerie in “Undressed”, an exhibition tracing the hidden history of underwear. (Photo by Anthony Devlin/PA Wire via AP Photo)





Queen Maxima sits in the in the concept car “Vision Next 100” at “BMW World” in Munich, Germany, Wednesday, April 13, 2016. The Dutch Royal couple is on a two day visit in the southern German state of Bavaria. (Photo by Angelika Warmuth/dpa via AP Photo)





A protester clashes with a police officer during a demonstration against proposed labour law reforms, on April 12, 2016 at the Opera square in Paris. French Prime Minister Manuel Valls unveiled measures to help young people find work, aiming to quell weeks of protests against the government's proposed reforms to labour laws. Young people have been at the forefront of mass demonstrations against the reforms over the past month, which the government argues are aimed at making France's rigid labour market more flexible. (Photo by Dominique Faget/AFP Photo)





A Syrian woman shows her ink stained thumb after voting at a polling station during parliamentary elections in Damascus on April 13, 2016. Polls opened in areas of war torn Syria controlled by President Bashar al-Assad, for a vote that will not be recognised by the United Nations and has been dismissed by regime opponents as illegitimate. (Photo by Joseph Eid/AFP Photo)





Yemenis stand on a car at a flooded street following heavy rain, in Sana’a, Yemen, 13 April 2016. Torrential rain hit Sanaa and most parts of Yemen as summer temperatures soar. (Photo by Yahya Arhab/EPA)