A picture made available on 20 April 2016 shows the workers preparing the dried dyed fabrics in order to be cut into standard sizes before selling them, at a workshop in al-Moez street at al-Hussein district in Old Cairo, Egypt, 14 April 2016. The craft of dyeing fabrics is one of the oldest hand crafts in Egypt and can be dated to the early days of ancient Pharaonic Egypt. (Photo by Mohamed Hossam/EPA)





In this November 16, 2003 file photo, Joanie Laurer, former pro wrestler known as Chyna, flexes her bicep as she arrives at the 31st annual American Music Awards, in Los Angeles. Chyna, the WWE star who became one of the best known and most popular female professional wrestlers in history in the late 1990s, has died at age 45. Los Angeles County coroner's Lt. Larry Dietz says Chyna, whose real name is Joan Marie Laurer, was found dead in Redondo Beach on Wednesday, April 20, 2016. (Photo by Kevork Djansezian/AP Photo)





View of smoke following an explosion at the petrochemical installation of Mexican Oil Company PEMEX in Coatzacoalcos, Veracruz state, Mexico on April 20, 2016. At least 30 employees were injured in the accident. (Photo by Ignacio Carvajal/AFP Photo)





A plume of smoke rises over the State oil company Petroleos Mexicanos' petrochemical plant in Coatzacoalcos, Mexico, Wednesday April 20, 2016. An explosion ripped through a petrochemical plant on the southern coast of the Gulf of Mexico on Wednesday, killing 3 people, injuring dozens and sending flames and a toxin-filled cloud into the air, officials said. (Photo by Felix Marquez/AP Photo)





Dancers rappel down the side of a building as part of a performance during a ribbon cutting ceremony to celebrate the opening of the flagship “Hublot” store on Fifth Avenue in the Manhattan borough of New York, U.S. April 19, 2016. (Photo by Andrew Kelly/Reuters)





A Harakat Nour al-Din al-Zenki fighter pours water over the head of a fellow fighter to cool down in Handarat area, north of Aleppo, Syria, April 19, 2016. (Photo by Abdalrhman Ismail/Reuters)





Republican U.S. presidential candidate Donald Trump's granddaughter Arabella (L), daughter Ivanka (C) and wife Melania (R) listen to him speak at his New York presidential primary night rally in Manhattan, New York, U.S., April 19, 2016. (Photo by Carlo Allegri/Reuters)





Tsutomu Yamaguchi, General Manager of Color Design Department, Global Design Center, stands next to Nissan Concept 2020 Vision Gran Turismo at the company's Global Design Center in Atsugi, Japan, April 14, 2016. (Photo by Toru Hanai/Reuters)





An environment activist displays a banner that reads, “Better to go away Mr. Etschenberg! Fossil Free – Greenpeace” during the annual shareholders meeting of German power supplier RWE in Essen, Germany April 20, 2016. (Photo by Wolfgang Rattay/Reuters)





An environment activist is pulled from the stage during the annual shareholders meeting of German power supplier RWE in Essen, Germany April 20, 2016. (Photo by Wolfgang Rattay/Reuters)





Members of the Household Cavalry march past Saint Paul's Cathedral, as they exercise their right to the Freedom of the City in London, Britain, April 20, 2016. (Photo by Dylan Martinez/Reuters)





Residents stand at the site of yesterday's suicide car bomb attack on a government security building in Kabul, Afghanistan, April 20, 2016. (Photo by Mohammad Ismail/Reuters)





A woman walks out after bathing during an ice drift on the Yenisei river in Krasnoyarsk, Siberia, Russia, April 20, 2016. (Photo by Ilya Naymushin/Reuters)





Members of the Cryophile winter swimmers' club walk on ice floes during an ice drift on the Yenisei river in Krasnoyarsk, Siberia, Russia, April 20, 2016. (Photo by Ilya Naymushin/Reuters)





Members of the Cryophile winter swimmers' club speak while sunbathing on ice floes during an ice drift on the Yenisei river in Krasnoyarsk, Siberia, Russia, April 20, 2016. (Photo by Ilya Naymushin/Reuters)





Kyoji Okubo, 61, and his wife Mutsuko sit in their car in the compound of an elementary school turned shelter in Kumamoto city, Japan, Wednesday, April 20, 2016. More than 100,000 people are homeless or have fled their homes as aftershocks continue to shake southern Japan. Many are living in cramped conditions in shelters or even their cars, with limited food and water. (Photo by Yu Nakajima/Kyodo News via AP Photo)





Evacuees who have been using their vehicles for shelter at a parking lot after a series of earthquakes, spend the night inside their cars in Kumamoto, Japan, in this photo taken by Kyodo April 20, 2016. (Photo by Reuters/Kyodo News)





Buddy Bear sculptures are pictured at the Hesse state representation in Berlin, Germany, April 20, 2016. The colourful Buddy Bears designed by artists from different countries with unique features of his or her native country are on display in the garden. (Photo by Fabrizio Bensch/Reuters)





United States Attorney Laura E. Duffy (L) looks over the opening of a hole in the ground after the discovery of a cross-border tunnel from Tijuana, Mexico to Otay Mesa, California April 20, 2016. (Photo by Mike Blake/Reuters)





An unidentified federal officer wears a tunnel rat logo on the back of his shirt after the discovery of a cross-border tunnel between Tijuana, Mexico to Otay Mesa, California April 20, 2016. (Photo by Mike Blake/Reuters)





A woman poses for a photographer (not pictured) as a man sits next to her in downtown Catania, Italy April 20, 2016. (Photo by Tony Gentile/Reuters)





An ultra-Orthodox Jewish man heats part of a gas burner over a fire to remove remains of leaven in preparation for the Jewish holiday of Passover in the city of Ashdod April 20, 2016. (Photo by Amir Cohen/Reuters)





A picture made available on 20 April 2016 shows Spanish soldiers of the 7th Airborne Light Infantry Brigade “Galicia” fire a howitzer Light Gun L118 during maneuvers with other units from the Training Center “San Gregorio” in preparation to NATO's Very High Readiness Joint Task Force (VJTF) within the NATO Response Force (NRF) in Zargoza, Spain, 19 April 2016. (Photo by Javier Cebollada/EPA)





An aerial view of the town of Veliky Ustyug in Vologda Oblast, Russia during a spring flood on April 20, 2016. (Photo by TASS/Barcroft Media)





Korean artist Choi Jeong Hwa's work “Flower Chandelier” is on display in his exhibition “Happy Together” at the Museum of Contemporary Art Kiasma in Helsinki, Finland, 20 April 2016. The exhibition opens to the public from 22 April to 18 September. (Photo by Markku Ojala/EPA)





Yazidis gather at the shrine of Sheikh Adi ibn Musafir to celebrate their new year with the lighting of candles in Lalish, north of Mosul, Iraq, 19 April 2016. Iraq has the biggest population of Yazidis worldwide with Lalish being their principal holy site. (Photo by Andrea Dicenzo/EPA)





A woman walks past a mural by Greek street artist INO in Athens on April 20, 2016. Talks with EU-IMF creditors continue in Athens on a delayed reforms audit that Greece hopes to conclude by May 1. (Photo by Louisa Gouliamaki/AFP Photo)





Israeli soldiers participate in a military exercise that simulates fighting in Gaza, at an urban warfare training facility in Tze'elim, southern Israel, 19 April 2016. (Photo by Abir Sultan/EPA)





Rangers from the Kenya Wildlife Service (KWS) stack elephant tusks into pyres, after carrying it from shipping containers full of ivory transported from around the country, in Nairobi National Park, Kenya Wednesday, April 20, 2016. Around 105 tonnes of ivory and other endangered animal products are due to be burned next week, the largest single destruction of ivory in history according to the KWS, to coincide with the Giants Club summit for the protection of elephants which will be held in Kenya April 28-30. (Photo by Ben Curtis/AP Photo)





People gather to smoke marijuana during the “420 Toronto” rally in Toronto on Wednesday, April 20, 2016. Cannabis possession is illegal in most countries under a 1925 treaty called the International Opium Convention. But just like the U.S., some nations either flout the treaty or don't enforce it. Legalization supporters consider pot possession either legal or tolerated in Argentina, Bangladesh, Cambodia, Canada, Chile, Colombia, the Czech Republic, India, Jamaica, Jordan, Mexico, Portugal, Spain, Uruguay, Germany and the Netherlands. (Photo by Mark Blinch/The Canadian Press via AP Photo)





Camels cross a road during an off road mapping of the Silk Way Rally 2016 in the Gobi desert around 2000 km (1100 Miles) north west from Beijing on April 19, 2016. (Photo by Nicolas Asfouri/AFP Photo)





President of the association “Reve de Sens” Bertrand Quentin points finger at the racing sail boat “Vendredi 13” during its restoration on April 13, 2016 in Bordeaux, southeastern France. The legendary racing sail boat “Vendredi 13”, abandoned for almost two years in Bordeaux, comes to life thanks to a handful of enthusiasts decided to put him back to the sea. (Photo by Mehdi Fedouach/AFP Photo)





A flock of pigeons take off as a Sri Lankan man makes his way through a street in Colombo, Sri Lanka, Wednesday, April 20, 2016. Some believe feeding pigeons earn them good deeds. (Photo by Eranga Jayawardena/AP Photo)





In this March 7, 2016, file photo, Maria Sharapova speaks about her failed drug test during a news conference in Los Angeles. International Tennis Federation president David Haggerty Wednesday April 20, 2016 said a disciplinary hearing is scheduled in Maria Sharapova's doping case, with a ruling possible before Wimbledon. Haggerty told reporters the independent Tennis Integrity Unit typically takes “two to three months” to process a case. That would suggest a verdict in June. (Photo by Damian Dovarganes/AP Photo)





A royal fan adjusts her Union flag glasses, in Windsor, England, Wednesday, April 20, 2016. Royal fans are gathering in Windsor ahead of Thursday's celebrations for the 90th birthday of Britain's Queen Elizabeth II. (Photo by Kirsty Wigglesworth/AP Photo)





Two giant terracotta busts of Britain's Queen Elizabeth and Prince Philip on display in the garden of Fifield House Farm near Windsor, Britain, April 20, 2016. (Photo by Peter Nicholls/Reuters)





This Handout image released by the Royal Mail on April 20, 2016, shows six stamps issued to mark the 90th birthday of Queen Elizabeth II including images of Queen Elizabeth II: with her father; attending the State Opening of Parliament in 2012; with Princess Anne and Prince Charles in 1952; visiting New Zealand in 1977; with The Duke of Edinburgh in 1957; and with Nelson Mandela in 1996. (Photo by Royal Mail/Getty Images)