In this February 4, 2016 picture a masked participant of the traditional carnival parade poses in the streets of the village of Kippel in the Loetschental valley, southwestern part of Switzerland. During this sinister carnival, participants wearing wooden masks and animal furs, crowd the streets of the villages to scare the people. (Photo by Dominic Steinmann/Keystone via AP Photo)

A woman aims a World War II machine gun at a military show during celebration of the Defenders of the Fatherland Day in St.Petersburg, Russia, Tuesday, February 23, 2016. The day, celebrated in Russia on February 23, honors the nation's military and is a nationwide holiday. (Photo by Dmitri Lovetsky/AP Photo)

Commuters hang off a local passenger train in the morning in Colombo, Sri Lanka September 8, 2016. (Photo by Dinuka Liyanawatte/Reuters)

Belarusian ornithologist Vladimir Ivanovski, 72, stands on a tree as he builds an artificial nest for birds of prey from tree branches, in a marsh near the village of Kazyany, Belarus on October 20, 2019. (Photo by Vasily Fedosenko/Reuters)

People get covered with powdered colors to celebrate the Holi festival in Bangalore, India on March 21, 2019. Holi is observed at the end of the winter season on the last full moon day of the lunar month Phalguna, which usually falls in the later part of February or March. (Photo by Jagadeesh N.V./EPA/EFE/Rex Features/Shutterstock)

A man being tested for the COVID-19 novel coronavirus reacts as a medical worker takes a swab sample in Wuhan in China's central Hubei province on April 16, 2020. China has largely brought the coronavirus under control within its borders since the outbreak first emerged in the city of Wuhan late last year. (Photo by Hector Retamal/AFP Photo)

A tourist gets an “Art Hug” from a disinfected costumed man outside the reopened Rijksmuseum in Amsterdam, Netherlands, Monday, June 1, 2020. The government takes a major step to relax the coronavirus lockdown, with bars, restaurants, cinemas and museums reopening under strict conditions. (Photo by Peter Dejong/AP Photo)

Madame Tussauds's wax figure of Audrey Hepburn sits at an empty table to comply with coronavirus disease (COVID-19) social distancing requirements in a dining room at Peter Luger Steak House in Brooklyn, New York U.S., February 26, 2021. (Photo by Brendan McDermid/Reuters)