The Soyuz TMA-19M capsule carrying NASA's Jeff Williams, and Russian cosmonauts Alexey Ovchinin and Oleg Skripochka descends beneath a parachute near the town of Zhezkazgan, Kazakhstan, on September 7, 2016. The record-setting American and two Russians landed safely back on Earth after a six-month mission aboard the International Space Station. (Photo by Maxim Shipenkov/Pool Photo via AP Photo)





A horseman jumps over a bonfire in the Spanish central village of San Bartolome de Pinares in the province of Avila, Castile and Leon, during the opening of the traditional religious festival “Luminarias” in honour of San Antonio Abad (Saint Anthony), patron saint of animals, on January 16, 2016. (Photo by Pierre-Philippe Marcou/AFP Photo)





A woman with “Fidel” written on her forehand wails after joining thousands of other Cubans who lined the famous Malecon seaside boulevard to pay their respects as to former Cuban President Fidel Castro's remains began their journey across the country November 30, 2016 in Havana, Cuba. The revolutionary leader who brought commmunism to his island nation in 1959, Fidel Castro died November 25 at the age 90 years old. (Photo by Chip Somodevilla/Getty Images)





Turkish Coast Guard personnel help refugees as they swim with buoys, after they toppled over a fishermen dinghy en route to Greece on January 22, 2016 in Didim district of Aydin, Turkey. 4 refugees body including 3 children pulled out of the water as Turkish coast guard personnel rescued 43 others. (Photo by Emin Menguarslan/Anadolu Agency/Getty Images)





Malaysian school children wearing glasses with special filters watch the partial solar esclipse at the National Planetarium in Kuala Lumpur on March 9, 2016. A total solar eclipse swept across the vast Indonesian archipelago on March 9, witnessed by tens of thousands of sky gazers and marked by parties, Muslim prayers and tribal rituals. Partial eclipses were also visible over other parts of Asia and Australia. (Photo by Mohd Rasfan/AFP Photo)





Northern Lights seen near the town of Salekhard, Yamalo-Nenets Autonomous Okrug, Russia on April 08, 2016. (Photo by Sergey Anisimov/Anadolu Agency/Getty Images)





A dirty thunderstorm occurs over Mount Sakurajima as the volcano erupts violently at 12:03 am on July 26, 2016 in Tarumizu, Kagoshima, Japan. The eruption occurred at the mountain's Showa crater. This is the first time that the active volcano in southern Kyushu has spewed out a smokestack that high since an eruption on August 18, 2013, according to the Kagoshima Meteorological Office. (Photo by The Asahi Shimbun via Getty Images)





Fireworks explode over Maracana stadium with the Mangueira “favela” community in the foreground during opening ceremonies for the Rio 2016 Olympic Games on August 5, 2016 in Rio de Janeiro, Brazil. The Rio 2016 Olympic Games commenced tonight at the iconic stadium. (Photo by Mario Tama/Getty Images)





Satellites, planes and comets transit across the night sky under stars that appear to rotate above Corfe Castle on August 12, 2016 in Corfe Castle, United Kingdom. The Perseids meteor shower occurs every year when the Earth passes through the cloud of debris left by Comet Swift-Tuttle, and appear to radiate from the constellation Perseus in the north eastern sky. (Photo by Dan Kitwood/Getty Images)





Aerial view photo shows tourists visiting on the glass-bottom bridge at Zhangjiajie Grand Canyon on August 20, 2016 in Zhangjiajie, Hunan Province of China. The Zhangjiajie Grand Canyon's glass-bottomed bridge welcame its trial operation on Saturday and about 8,000 tourists crowded to view the grand glass bridge. Stretching 430 meters long and 6 meters wide, hovering over a 300-meter-deep valley between two cliffs in the canyon area, the much-awaited “world's highest and longest” glass-bottomed bridge has already set world records for its architecture and construction. (Photo by VCG/VCG via Getty Images)





One-year-old female giant panda cub Nuan Nuan reacts inside her enclosure during joint birthday celebrations for the panda and its ten-year-old mother Liang Liang at the National Zoo in Kuala Lumpur on August 23, 2016. Giant pandas Liang Liang, aged 10, and her Malaysian-born cub Nuan Nuan, 1, were born on August 23, 2006 and August 18, 2015 respectivetly. (Photo by Mohd Rasfan/AFP Photo)





A boy pauses on his bike as he passes an oil field that was set on fire by retreating ISIS fighters ahead of the Mosul offensive, on October 21, 2016 in Qayyarah, Iraq. Several hundred Iraqi families have been made to leave their homes for Mosul by Islamic State fighters as the UN warns they could be used as human shields. ISIS have attacked Kirkuk today as Kurdish and Iraqi forces, backed by a coalition including Britain and the U.S.A continue their offensive to retake Iraq's second largest city of Mosul. (Photo by Carl Court/Getty Images)





A woman walks past one of the murals in Mitchel Lane on October 26, 2016 in Glasgow, Scotland. The murals have been appearing across the city for a since 2008 with new ones appearing on a regular bases rejuvenating bare walls revitalising tired corners of Glasgow. Now a new Mural Trail has been devised with a huge range of them on display within a short walking distance from the city centre. (Photo by Jeff J. Mitchell/Getty Images)





A man cuts wood to prepare charcoal with wood that was left over from damaged trees from Hurricane Matthew in the village of Damassin, in the commune of Coteaux, in the southwestern Haiti, on November 3, 2016. At least 546 people were killed when Hurricane Matthew roared ashore one month ago, on October 4, packing winds of 145 miles (230 kilometers) per hour. (Photo by Hector Retamal/AFP Photo)





Polling staff wait to register voters at polling station on November 13, 2016 in Calfa, Moldova. Moldovans cast their votes on Sunday in a presidential election for the first time in 20 years, with a runoff between pro-European candidate Maria Sandu and pro-Russian candidate Igor Dodon. (Photo by Pierre Crom/Getty Images)





Activists dressed as foxes participate in the demonstration for the day without fur on November 15, 2016 in front of Sejm in Warsaw, Poland. During the demonstration, signatures were collected under the petition to create awareness for animals being killed for fur. (Photo by Darek Majewski/Gallo Images Poland/Getty Images)





People watch as fireworks explode over Copacabana beach during New Year celebrations in Rio de Janeiro, Brazil, January 1, 2016. (Photo by Ricardo Moraes/Reuters)





A woman reacts while walking among the ruins of damaged buildings following heavy fighting between government troops and Kurdish fighters, on March 2, 2016 in the southeastern Turkey Kurdish town of Cizre, near the border with Syria and Iraq. Thousands in Turkey's Kurdish-majority town of Cizre started returning to their homes today after authorities partially lifted a curfew in place since December for a controversial military operation to root out separatist rebels. (Photo by Yasin Akgul/AFP Photo)





Children play at a makeshift camp for migrants and refugees at the Greek-Macedonian border near the village of Idomeni, Greece, March 29, 2016. (Photo by Marko Djurica/Reuters)





A man holds his head in his hands as he sits among bed frames burned by a fire which tore through a refugee camp in Diavata, northern Greece, on April 20, 2016, threatening the lives of over 2,300 people who live there. More than a dozen tents were destroyed in the blaze. Police said at least two people were taken to a hospital suffering from smoke inhalation. (Photo by Sakis Mitrolidis/AFP Photo)





Aerial view taken on May 12, 2016 shows cars driving on the winding L401 country road past rapeseed fields near Nienstedt close to Bad Muender am Deister, central Germany. (Photo by Julian Stratenschulte/AFP Photo/DPA)





Young people lay wreaths during a service to mark the 100th anniversary of the start of the battle of the Somme at the Commonwealth War Graves Commission Memorial on July 1, 2016 in Thiepval, France. The event is part of the Commemoration of the Centenary of the Battle of the Somme at the Commonwealth War Graves Commission Thiepval Memorial in Thiepval, France, where 70,000 British and Commonwealth soldiers with no known grave are commemorated. (Photo by Gareth Fuller – Pool/Getty Images)





In this handout provided by NASA, the Soyuz MS-01 spacecraft launches from the Baikonur Cosmodrome with Expedition 48-49 crewmembers Kate Rubins of NASA, Anatoly Ivanishin of Roscosmos and Takuya Onishi of the Japan Aerospace Exploration Agency (JAXA) onboard, Thursday, July 7, 2016 , Kazakh time (July 6 Eastern time), Baikonur, Kazakhstan. Rubins, Ivanishin, and Onishi will spend approximately four months on the orbital complex, returning to Earth in October. (Photo by Bill Ingalls/NASA via Getty Images)





A tribute is laid on a bench where a person was killed on the Promenade des Anglais on July 17, 2016 in Nice, France. Six people believed to be linked to the man who killed 84 people in Nice are in police custody according to a statement by the Paris prosecutor's office after a French-Tunisian attacker killed 84 as he drove a lorry through crowds, gathered to watch a firework display during Bastille Day Celebrations. The attacker then opened fire on people in the crowd before being shot dead by police. (Photo by David Ramos/Getty Images)





Syrian men carrying babies make their way through the rubble of destroyed buildings following a reported air strike on the rebel-held Salihin neighbourhood of the northern city of Aleppo, on September 11, 2016. Air strikes have killed dozens in rebel-held parts of Syria as the opposition considers whether to join a US-Russia truce deal due to take effect on September 12. (Photo by Ameer Alhalbi/AFP Photo)





A vehicle and a motorcycle amke their way through a flooded road after Typhoon Meranti hit on September 15, 2016 in Fuzhou, Fujian Province of China. Typhoon Meranti made landfall in Xiamen at 3:05 a.m on Thursday and caused damage in Fujian. (Photo by VCG/VCG via Getty Images)





Members of the colla “Vella de Valls” build a human tower during the 26th Tarragona Competition on October 2, 2016 in Tarragona, Spain. The 'Castellers' who build the human towers with precise techniques compete in groups, know as “colles”, at local festivals with aim to build the highest and most complex human tower. The Catalan tradition is believed to have originated from human towers built at the end of the 18th century by dance groups and is part of the Catalan culture. (Photo by David Ramos/Getty Images)





People dressed as Stormtroopers from the Star Wars franchise of films pose on the Millennium Bridge to promote the latest release in the series, “Rogue One”, on December 15, 2016 in London, England. “Rogue One: A Star Wars Story” is the first of three standalone spin-off films and is due for released in the UK today. (Photo by Leon Neal/Getty Images)





David Henrique Ferreira, 5 months, who was born with microcephaly, is kissed by his mother Mylene Helena Ferreira on January 29, 2016 in Recife, Pernambuco state, Brazil. In the last four months, authorities have recorded around 4,000 cases in Brazil in which the mosquito-borne Zika virus may have led to microcephaly in infants. The ailment results in an abnormally small head in newborns and is associated with various disorders including decreased brain development. According to the World Health Organization (WHO), the Zika virus outbreak is likely to spread throughout nearly all the Americas. (Photo by Mario Tama/Getty Images)





An Indian man get his face smeared with colors as he takes part in Holi celebrations in Chennai on March 24, 2016. The Hindu festival of Holi, or the “Festival of Colours” heralds the arrival of spring and the end of winter. (Photo by Arun Sankar/AFP Photo)





Tourists sitting in the ice buckets eat peppers in the fountain during a competition at Song Dynasty Town on July 20, 2016 in Hangzhou, Zhejiang Province of China. As the ground temperature reached 40 degrees Celsius in Hangzhou, tourists competed eating peppers while sitting in the ice buckets to feel hot and cool at the same time in the Song Dynasty Town scenic area. (Photo by VCG/VCG via Getty Images)





A couple dance at sunrise on October 6, 2016 on the Trocadero plaza, in front of the Eiffel towerin Paris. (Photo by Ludovic Marin/AFP Photo)





A passerby photographs a mural showing U.S. President-elect Donald Trump (R) blowing marijuana smoke into the mouth of Russian President Vladimir Putin on the wall of a bar-b-que restaurant on November 23, 2016 in Vilnius, Lithuania. Many people in the three Baltic nations of Lithuania, Latvia and Estonia are concerned that Russia, because Trump has expressed both admiration for Putin and doubt over defending NATO member states, will be emboldened to intervene militarily in the Baltics. (Photo by Sean Gallup/Getty Images)