In this Sunday, May 29, 2016 photo, fighters take a selfie while firing artillery during fight against Islamic State militants in Fallujah, Iraq. Iraqi forces this week pushed into the city's southern sections after securing surrounding towns and villages more than 50,000 people are believed to be trapped inside the Sunni majority city, about 65 kilometers (40 miles) west of Baghdad. (Photo by Anmar Khalil/AP Photo)

Fans of the Kansas City Chiefs pose for photos before the game against the Los Angeles Chargers at Estadio Azteca on November 18, 2019 in Mexico City, Mexico. (Photo by Manuel Velasquez/Getty Images)

A voter wearing protective face mask shows off her finger marked with ink indicating she voted as she leaves a polling station Sunday, November 8, 2020, in Yangon, Myanmar. Voting was underway in Myanmar’s elections on Sunday, with the party of Nobel Peace Prize laureate Aung San Suu Kyi heavily favored to retain power it had wrestled from the powerful military five years ago. (Photo by Thein Zaw/AP Photo)

A Palestinian clown on stilts walks on a street amid the outbreak of the coronavirus disease (COVID-19), in Gaza City on November 20, 2020. (Photo by Suhaib Salem/Reuters)

A Student of Yuba Pratibha School, wearing a face shield and masks at school during a coronavirus pandemic in Kathmandu, Nepal, 26 November 2020. The head Teacher of Yuba Pratibha School, Yanga Raj Dahal, started to conduct classes for students, who can’t afford and attend online classes, with strict sanitary regime, providing also free face masks and shields for students. However majority of schools have been conducting online classes in Nepal from 19 March 2020 as part of precautionary measures against the spread of the coronavirus Covid-19. (Photo by Narendra Shrestha/EPA/EFE)

A worker roasts a row of pigs on bamboo poles at a roasting pit, in Manila, Philippines, December 21, 2020. (Photo by Lisa Marie David/Reuters)

U.S. President Donald Trump holds news conference on the coronavirus outbreak at the White House in Washington, U.S., February 26, 2020. (Photo by Carlos Barria/Reuters)

This photo taken late on February 21, 2021 in Milo, near Catania, Sicily, and obtained on February 22, 2021 from Italian news agency Ansa, shows lava flowing along the sides of the southern crater of the Etna volcano as a new eruptive episode of tall lava fountains, known as paroxysm, occurred. (Photo by ANSA/Handout via AFP Photo)