A Boeing 777-300 from Swiss International Airlines lands on a foggy morning at Zurich Airport, on Friday, October 13, 2017, in Zurich, Switzerland. The high humidity renders the air vortex visible. (Photo by Christian Merz/Keystone via AP Photo)

Russian cadets march during the annual cadet schools get-together in Moscow, Russia on March 30, 2018. (Photo by Mladen Antonov/AFP Photo)

A man wears a busho mask and a costume made of sheep pelt while climbing up a ladder outside a barn in Mohacs, Hungary, 20 February 2020, on the first day of carnival. The traditional Busho carnival, which marks the end of winter, dates back to the 16th century. According to local legend, members of an ethnic South Slavic group living in Mohacs at the time dressed up in similar costumes and wore wooden masks to scare away Ottoman invaders, who mistook them for demons. (Photo by Tamas Soki/EPA/EFE)

A Cambodian man sells shoes on a motorized cart travelling along a street in Phnom Penh, Cambodia, 30 April 2020. Cambodian authorities are enforcing strict traffic rules in an effort to cut down traffic accidents on the road as a new land traffic law will go into effect in the beggining of of May 2020. (Photo by Mak Remissa/EPA/EFE)

German Nazi leader Adolf Hitler (1889 - 1945) enjoys a quiet picnic between meetings, circa 1933. Picture 196 of a series of collectable images published in Germany during the Nazi period, entitled “Deutschland Erwacht” (Germany Awakes). (Photo by Heinrich Hoffmann/Hulton Archive/Getty Images)

Ayah, 37, weeps as she is embraced by a police officer during a demonstration against the Danish face veil ban in Copenhagen, Denmark, August 1, 2018. (Photo by Andrew Kelly/Reuters)

A dancer performs before a judging panel during the World Irish Dancing Championships in Dublin, Ireland on April 11, 2017. The April 9-16 event draws some 5,000 performers from Ireland and overseas, including from both the Irish diaspora in places like the United States and Australia as well as less likely countries such as Russia and Japan. (Photo by Clodagh Kilcoyne/Reuters)

In this January 7, 2017 photo, Judeley Hans Debel squats down to remove a boot from Tic Tac, holding out his prosthetic leg after his therapeutic riding lesson at the Chateaublond Equestrian Center in Petion-Ville, Haiti. Anne-Rose Schoen, who founded the equestrian center, said perhaps the most important thing about therapeutic riding is it makes youngsters happy in a country where disabled people face enormous challenges. (Photo by Dieu Nalio Chery/AP Photo)