Brady Oleson of Blackfoot, Indiana hold tightly onto Suspicious the bull, during his ride on day two of the Professional Bull Riders at the Scottrade Center in St. Louis on February 18, 2018. (Photo by Bill Greenblatt/UPI/Barcroft Images)





A soldier stands in guard on a street, before a meeting with Brazil's President Michel Temer and local authorities about the implementation of a decree that has placed the military in charge of Rio's state security, at the Guanabara palace in Rio de Janeiro, Brazil, Saturday, February 17, 2018. Temer said he plans to create a public security ministry to coordinate security operations in the entire country. (Photo by Leo Correa/AP Photo)





Folk artists perform a fire dragon dance under a shower of sparks from molten iron during a traditional performance to celebrate Chinese Lunar New Year of the Dog at Happy Valley in Beijing, China February 18, 2018. (Photo by Jason Lee/Reuters)





Competitors take part in the “Riding on Anything” championships organised in Bialka Tatrzanska, Poland February 18, 2018. (Photo by Marek Podmokly/Reuters/Agencja Gazeta)





A woman cleans the glass display of the artwork “Medusa” by Italian painter Michelangelo Merisi da Caravaggio that is exhibited as part of a new set-up of rooms dedicated to Caravaggio and the 17th century painting at Galleria degli Uffizi (Uffizi Gallery) in Florence, Italy, 19 February 2018. “Medusa”, the famous painting on the shield, will be the “star” work of a group of eight new rooms dedicated by the museum to masterpieces of Caravaggio and other 17th century painters, Italian and beyond, such as Artemisia Gentileschi, Gherardo delle Notti, Velazquez, Rembrandt, Van Dyck and Rubens. (Photo by Maurizio Degl Innocenti/EPA/EFE)





Ash from Mount Sinabung volcano rises to an approximate height of 5,000 meters during an eruption as seen from Brastagi town in Karo, North Sumatra, Indonesia February 19, 2018 in this photo taken by Antara Foto. (Photo by Tibta Peranginangin/Reuters/Antara Foto)





School children walk as Mount Sinabung erupts in Karo, North Sumatra, Indonesia, Monday, February 19, 2018. Rumbling Mount Sinabung on the Indonesian island of Sumatra has shot billowing columns of ash more than 5,000 meters (16,400 feet) into the atmosphere and hot clouds down its slopes. The volcano, one of three currently erupting in Indonesia, was dormant for four centuries before exploding in 2010. (Photo by AP Photo/Sarianto)





A dancer wearing a Chinese “Big Head Buddha” costume performs along with a Dragon dance during the opening bell ringing to mark the first trading day at the brand new Philippine Stock Exchange complex in Bonifacio Global city, the capital's newest financial district in Taguig city, metro Manila, Philippines February 19, 2018. (Photo by Romeo Ranoco/Reuters)





A man walks near a board, which advertises the campaign of Russian TV personality and presidential candidate Ksenia Sobchak, on a street in St. Petersburg, Russia February 19, 2018. (Photo by Anton Vaganov/Reuters)





Andrei Bocharnikov of Khabarovsk practices parkour in front of Golden Horn Bay in the city of Vladivostok, Russia February 19, 2018. (Photo by Yuri Maltsev/Reuters)





Dancing noses perform during a dress rehearsal for Shostakovich's opera “The Nose” at the Sydney Opera House in Sydney, Monday, Feb. 19, 2018. The Nose opens on February 21 and runs until March 3. (Photo by Rick Rycroft/AP Photo)





Actors perform during the final dress rehearsal of “The Nose” at Sydney Opera House on February 19, 2018 in Sydney, Australia. (Photo by Don Arnold/WireImage)





People react as a Canadian man wearing only a pair of shorts orders a drink from a fast food outlet in Gangneung Curling Centre on day 10 of the PyeongChang 2018 Winter Olympic Games on February 19, 2018 in Gangneung, South Korea. (Photo by Carl Court/Getty Images)





Tourists posing for photos sit on top of the Olympic rings at Gyeongpo beach near the Olympic village in Gangneung, South Korea, 19 February 2018. (Photo by Valdrin Xhemaj/EPA/EFE)





In this photo released by Mexico's Federal Environmental Protection Agency (PROFEPA) and taken between February 15 and 17 of 2018, people spray water on a gray whale during efforts to return it to sea in Baja California Sur state, Mexico. The gray whale was returned safely to the Pacific Ocean after three days beached on the coast. (Photo by PROFEPA via AP Photo)





Greenpeace activists wear white morphsuits as they stage an action against particulate matter and health burden caused by diesel exhaust on February 19, 2018 in Stuttgart, southern Germany. A verdict of Germany's Federal Administrative Court is expected on February 22, 2018, ruling if cities with high nitrogen oxide pollution could be allowed to ban diesel cars from their centres. (Photo by Sebastian Gollnow/AFP Photo/DPA)





Rescuers recover a body as they search for survivors at the collapse of a garbage mound in Maputo, Mozambique, Monday, February 19, 2018. Mozambican media say at least 17 people died when heavy rains triggered the partial collapse of the mound garbage. (Photo by Ferhat Momade/AP Photo)





Ultra-right activists throw eggs and stones at the windows of a Russian government's center of culture and science in central Kiev, Ukraine, Sunday, February 18, 2018. (Photo by Efrem Lukatsky/AP Photo)





A Syrian woman and children run for cover amid the rubble of buildings following government bombing in the rebel-held town of Hamouria, in the besieged Eastern Ghouta region on the outskirts of the capital Damascus, on February 19, 2018. Heavy Syrian bombardment killed 44 civilians in rebel-held Eastern Ghouta, as regime forces appeared to prepare for an imminent ground assault. (Photo by Abdulmonam Eassa/AFP Photo)





Syrian children attend a class at a school in the revel-held Sahl al-Ghab area, in Hama province, Syria on February 18, 2018. (Photo by Omar Haj Kadour/AFP Photo)





Russian people dancing during the Maslenitsa celebration, marking the end of winter in Moscow, Russia, 18 February 2018. Maslenitsa is a Slavic tradition that dates back to pagan times. (Photo by Yuri Kochetkov/EPA/EFE)





A vendor salvaging her mannequin wearing a skirt cries as she runs away from her stall burning during a massive fire at the biggest clothing market in Port-au-Prince, Haiti, Sunday, February 18, 2018. The entire market, where at least 1,000 vendors work and was closed on Sunday, was destroyed in the blaze. (Photo by Dieu Nalio Chery/AP Photo)





Team Finland perform their 3 balls and 2 ropes routine at the 2018 Moscow Rhythmic Gymnastics Grand Prix at Luzhniki in Moscow, Russia on February 18, 2018. (Photo by Tatyana Valko/TASS)





People dressed as the Greek mythological figures dance around a sculpture of a large phallus during a reenactment of an ancient celebration dedicated to the Greek god Dionysus, marking the carnival season, on February 11, 2018, in Athens, Greece. (Photo by Louisa Gouliamaki/AFP Photo)





Women take selfie photos as the Chinese community in Glasgow celebrate during Lunar New Year celebrations for the Year of the Dog at Glasgow City Chambers on February 18, 2018 in Glasgow. The Chinese Lunar New Year also known as the Spring Festival, which is based on the Lunisolar Chinese calendar, is celebrated from the first day of the first month of the lunar year and ends with Lantern Festival on the fifteenth day. (Photo by Jeff J. Mitchell/Getty Images)