Students wait to be picked up after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Wednesday, February 14, 2018. A shooter opened fire at the Florida high school Wednesday, killing people, sending students running out into the streets and SWAT team members swarming in before authorities took the shooter into custody. (Photo by Wilfredo Lee/AP Photo)





Members from the Beija Flor samba school perform as drug traffickers during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, early Tuesday, February 13, 2018. Brazil's most famous city has long struggled with violence, particularly in the hundreds of slums controlled by drug traffickers, plus criminal assaults and increasing shootouts between drug traffickers and police. (Photo by Silvia Izquierdo/AP Photo)





Members from the Beija Flor samba school perform a violence scene during Carnival celebrations at the Sambadrome in Rio de Janeiro Brazil, early Tuesday, February 13, 2018. (Photo by Silvia Izquierdo/AP Photo)





Members from the Beija Flor samba school perform showing a coffin containing a doll representing a dead student during Carnival celebrations at the Sambadrome in Rio de Janeiro Brazil, Tuesday, February 13, 2018. (Photo by Silvia Izquierdo/AP Photo)





Members from the Beija Flor samba school parade perform a violence scene during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Tuesday, February 13, 2018. (Photo by Silvia Izquierdo/AP Photo)





A general view of a chasm that opened in the street and some parked cars fell inside in Balduina's neighborhood, Rome, Italy, 14 February 2018. The cars swallowed by the chasm fell about 10 meters. Two buildings were temporarily evacuated as a precautionary measure after the collapse. (Photo by Giuseppe Lami/EPA/EFE)





Commuters rush out of a public bus after it was filled with smoke from a smoke grenade launched by police at nearby protesters who were demanding improvements to the public transportation, in Bogota, Colombia, Wednesday, February 14, 2018. Protesters blocked bus lanes and stalled the city's traffic Wednesday morning. (Photo by Fernando Vergara/AP Photo)





Flynn, a bichon frise and winner of Best In Show poses at after winning the 142nd Westminster Kennel Club Dog Show in New York, U.S., February 14, 2018. (Photo by Brendan McDermid/Reuters)





A man rides a motorcycle past a wall of the Nizwa fort bearing a portrait of the Omani Sultan before the first stage of the 2018 cycling Tour of Oman from Nizwa to the Sultan Qaboos University in Muscat on February 13, 2017. (Photo by Philippe Lopez/AFP Photo)





A boy poses with a pillow shaped like lips on sale for Valentine' s Day in Yopougon, a suburb of Abidjan, on February 13, 2018. (Photo by Sia Kambou/AFP Photo)





Drummers perform prior to the women's ice hockey match between Sweden and Switzerland during the Pyeongchang 2018 Winter Olympic Games at the Kwandong Hockey Centre in Gangneung on February 14, 2018. (Photo by Kim Kyung-Hoon/Reuters)





Staff from Olympic Park struggle to walk during the wind in Gangneung, South Korea on February 14, 2018. Officials are asking spectators to evacuate the Olympic Park in the coastal city of Gangneung and take shelter indoors because of strong winds. (Photo by John Sibley/Reuters)





A man impersonating North Korean leader Kim Jong Un gestures as he stands before North Korean cheerleaders attending the Unified Korean ice hockey game against Japan during the Pyeongchang 2018 Winter Olympic Games at the Kwandong Hockey Centre in Gangneung on February 14, 2018. (Photo by Yelim Lee/AFP Photo)





Members of the “Group Boi Faceiro” wear masks during carnival festivities in Sao Caetano de Odivelas, Brazil February 13, 2018. (Photo by Ueslei Marcelino/Reuters)





A child jumps from a promenade after attempting to sell heart-shaped balloons to a couple on Valentine's Day in Mumbai, India February 14, 2018. (Photo by Francis Mascarenhas/Reuters)





A female police officer of the new Specialized Police Tactical Unit (UTEP) known as “Jaguares” of El Salvador National Civil Police, holds a rose for Valentine's day during their presentation ceremony in San Salvador, El Salvador February 14, 2018. (Photo by Jose Cabezas/Reuters)





Chinese people walk in a maze at the Tang Paradise Park in Xi'an, Shaanxi province, on February 14, 2018, ahead of the coming Lunar New Year, marking the Year of the Dog. The Lunar New Year falls on February 16 this year, with celebrations in China scheduled to last for a week. (Photo by Fred Dufour/AFP Photo)





Performers in costume pose for a picture before the start of a Carnival parade in Port-au-Prince, Haiti, Tuesday, February 13, 2018. (Photo by Dieu Nalio Chery/AP Photo)