A carnival music group walks through the streets of Lucerne during the Urknall, which marks the start of the Lucerne Carnival on Dirty Thursday in Lucerne, Switzerland, 07 February 2018. (Photo by Urs Flueeler/EPA/EFE)





This photo made available by the Titusville Fire and Emergency services shows fire fighters attempting to rescue a boy who crawled inside a claw-style vending machine, Wednesday, February 7, 2018, in Titusville, Fla. The boy sat atop the stuffed toys while firefighters took just 5 minutes to get him out. (Photo by Titusville Fire and Emergency Services via AP Photo)





A 102.34, carat, D colour and flawless white diamond held by a model is displayed at Sotheby's auction house in London, Thursday, February 8, 2018. The diamond is the world largest known round brilliant diamond to have achieved “perfection in all critical criteria – Colour, Clarity, Cut and Carat”, and is expected to reach considerably over 33.7 million dollars by private sale in London. (Photo by Alastair Grant/AP Photo)





A demonstrator throws stones during a protest against a campaign rally held for Rodrigo Londono Echeverri, known as “Timochenko”, the presidential candidate for the Common Alternative Revolutionary Force (FARC) political party, who was to hold a campaign meeting during his visit to the municipality of Yumbo, Colombia, on February 7, 2018 but was forced to leave because protesters were throwing stones. (Photo by Luis Robayo/AFP Photo)





A diver performs an underwater dragon dance performance with a “Sea Goddess” at the S.E.A Aquarium Open Ocean Habitat at Resorts World Sentosa on February 8, 2018 in Singapore. On February 16, people around the world will welcome the Year of the Dog, one of the most anticipated holidays on the Chinese calendar. Also known as the Spring festival or the Lunar New Year, the celebrations last for about 15 days. (Photo by Suhaimi Abdullah/Getty Images)





Survivors look for belongings during the demolition operation at a collapsed hotel building after a strong earthquake in Hualien County, eastern Taiwan, Friday, February 9, 2018. A magnitude 6.4 earthquake struck late Tuesday night caused several buildings to cave in and tilt dangerously. (Photo by Chiang Ying-ying/AP Photo)





Volunteers pray as a dead body is transferred by ambulance from a collapsed building in Hualien, Taiwan February 8, 2018. (Photo by Tyrone Siu/Reuters)





Soldiers attend a grand military parade celebrating the 70th founding anniversary of the Korean People's Army at the Kim Il Sung Square in Pyongyang, in this photo released by North Korea's Korean Central News Agency (KCNA) February 9, 2018. (Photo by Reuters/KCNA)





Soldiers march during a grand military parade celebrating the 70th founding anniversary of the Korean People's Army at the Kim Il Sung Square in Pyongyang, in this photo released by North Korea's Korean Central News Agency (KCNA) February 9, 2018. (Photo by Reuters/KCNA)





Intercontinental ballistic missiles are seen at a grand military parade celebrating the 70th founding anniversary of the Korean People's Army at the Kim Il Sung Square in Pyongyang, in this photo released by North Korea's Korean Central News Agency (KCNA) February 9, 2018. (Photo by Reuters/KCNA)





A Syrians youth runs following an air strike in the rebel- held enclave of Arbin in the Eastern Ghouta near Damascus on February 8, 2018. The death toll from Syrian regime air strike on the rebel- held enclave of Eastern Ghouta near Damascus rose to 36, a monitor said. Ten children and seven women were among today' s victims, bringing to 185 the number of civilians killed over the past four days, said Rami Abdel Rahman, head of the Britain- based Observatory. (Photo by Amer Almohibany/AFP Photo)





A picture taken on February 8, 2018 shows smoke plumes rising following a reported regime air strike in the rebel- held enclave of Jisreen in the Eastern Ghouta near Damascus. A fourth consecutive day of heavy regime bombing raids on the rebel- held enclave of Eastern Ghouta near Damascus killed 22 civilians on February 8, a monitor said. (Photo by Abdulmonam Eassa/AFP Photo)





A Syrian man reacts following an air strike in the rebel-held enclave of Arbin in the Eastern Ghouta near Damascus on February 8, 2018. (Photo by Amer Almohibany/AFP Photo)





An injured Syrian is helped out of the rubble following a reported regime air strike in the rebel-held enclave of Arbin in the Eastern Ghouta near Damascus on February 8, 2018. (Photo by Abdulmonam Eassa/AFP Photo)





NASA astronaut Karen Nyberg watches a water bubble float freely between her and the camera, showing her image refracted in the droplet, February 7, 2018. (Photo by NASA)





People wait for the start of practice for the men's ski jumping competition in the 2018 Winter Olympics at the Alpensia Ski Jumping Center in Pyeongchang, South Korea, Wednesday, February 7, 2018. (Photo by Charlie Riedel/AP Photo)





An armoured South Korean police vehicle stands next to the entrance of the International Broadcasting Centre in Pyeongchang, South Korea on February 6, 2018. (Photo by Kai Pfaffenbach/Reuters)





Workers prepare an aerial slope at Phoenix Snow Park ahead of the the 2018 Winter Olympics in Pyeongchang, South Korea, Wednesday, February 7, 2018. (Photo by Kin Cheung/AP Photo)





Volunteers pose for a selfie before participating in a welcome ceremony for the United State Olympic Team inside the Pyeongchang Olympic Village prior to the 2018 Winter Olympics in Pyeongchang, South Korea, Tuesday, February 6, 2018. (Photo by Patrick Semansky/AP Photo)





Members of the North Korean cheering band wave flags ahead of the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. Each of the seats in the stadium had a light box behind it that could change colour to represent the flag of each nation upon entrance to the arena. (Photo by Jorge Silva/Reuters)





Performers entertain the fans during the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium on February 9, 2018 in Pyeongchang-gun, South Korea. (Photo by Matthias Hangst/Bongarts/Getty Images)





Artists perform during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. (Photo by Kai Pfaffenbach/Reuters)





North Korean cheerleaders are waiting beginning of the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium. February 9, 2018. (Photo by Hyoung Chang/The Denver Post)





Team USA athletes are seen during the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium on February 9, 2018 in Pyeongchang-gun, South Korea. (Photo by Matthias Hangst/Getty Images)





North Korea's Jong Su Hyon, left, and South Korea's Park Jong-ah carry the torch during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, February 9, 2018. (Photo by David J. Phillip/AP Photo)





South Korean figure skater Kim Yu-na prepares to light the cauldron with the Olympic Flame during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. (Photo by Mohd Rasfan/AFP Photo)





South Korean Olympic figure skating champion Yuna Kim lights the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, February 9, 2018. (Photo by Franck Fife/Pool Photo via AP Photo)





Artists perform during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. (Photo by Kai Pfaffenbach/Reuters)





White Tiger performed by dancers celebrate the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium. February 9, 2018. (Photo by Hyoung Chang/The Denver Post)





Olympic athletes from Russia enter the stadium during the opening ceremony of the 2018 PyeongChang Winter Olympic Games held at PyeongChang Olympic Stadium, South Korea, February 9, 2018. (Photo by Eric Gaillard/Reuters)





Pita Taufatofua carries the flag of Tonga during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, February 9, 2018. (Photo by Jae C. Hong/AP Photo)





Fireworks explode behind the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, February 9, 2018. (Photo by Damir Sagolj/Reuters)





Fireworks go off during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. (Photo by Brendan Smialowski/AFP Photo)





People with a South Korean flag waves as fireworks get off outside the stadium during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games at the Pyeongchang Stadium on February 9, 2018. (Photo by Martin Bernetti/AFP Photo)





North Korean leader Kim Jong Un's younger sister Kim Yo Jong, center, arrives at the Jinbu train station in Pyeongchang, South Korea, Friday, February 9, 2018. In a stunning turn of events, North Korean leader Kim Jong Un's younger sister arrived in South Korea on Friday to be her brother's special envoy to the Pyeongchang Winter Olympics. (Photo by Lee Jin-man/AP Photo)





British female members of the Aerosuperbatics Wingwalkers, perform aerobatic stunts for the first time in the Philippines during the four-day 22nd International Hot Air Balloon festival at Clark, Pampanga province north of Manila, Philippines, Thursday, February 8, 2018. The festival showcases 26 colorful hot air balloons in various shapes and sizes from different countries such as Japan, United States, Malaysia, Germany, Great Britain, Turkey, Canada, South Korea and is considered the longest-running sports aviation event in Asia. (Photo by Bullit Marquez/AP Photo)





Surveyors of the State Office for Traffic and Transport scan the sagged Baltic Sea freeway near Tribsees, Germany, 07 February 2018. The sag is getting bigger and bigger. The originally 40-metre-big hole now is 95-metre big, according to the Ministry of Transport upon request. (Photo by Bernd Wüstneck/DPA/Picture-Alliance/Barcroft Images)





A Russian officer holds a portrait of Russian Roman Filipov, the pilot of the Su-25 jet who ejected after Syrian insurgents shot down his plane traded fire with militants on the ground and then blew himself up to avoid being captured, during a farewell service at Chkalovsky military airport, just outside Moscow, Russia, Thursday, February 8, 2018. (Photo by Vadim Savitsky/Pool Photo via AP Photo)





Revellers celebrate the official start of the street carnival on Women' s Carnival, February 8, 2018 in Duesseldorf, western Germany. (Photo by Patrik Stollarz/AFP Photo)