Medic James E. Callahan of Pittsfield, Mass., gives mouth-to-mouth resuscitation to a dying soldier in war zone D, about 50 miles northeast of Saigon, June 17, 1967. Thirty-one men of the 1st Infantry Division were reported killed in the guerrilla ambush, with more than 100 wounded. (Photo by Henri Huet/AP Photo)

Silhouetted against the warm sunset skyline and the illuminated Tokyo Tower, visitors are reflected on the glass walls of a rooftop observation deck Thursday, January 21, 2021, in Tokyo. (Photo by Kiichiro Sato/AP Photo)

A dancer sanitizes the pole before performing on the outside patio at Cheerleaders Gentlemen's Club in Gloucester City, New Jersey, U.S. July 17, 2020. (Photo by Rachel Wisniewski/Reuters)

British underwater photographer of the year 2021, British waters wide angle category winner and My Backyard category winner. While You Sleep by Mark Kirkland (United Kingdom), common frog taken in Malls Mire, Glasgow, Scotland. (Photo by Mark Kirkland/Underwater Photographer of the Year 2021)

Italian rider Eva Lechner competes in the women's elite race of the “Hotondcross” cyclocross, the competition's fourth stage of the DVV Trofee Cyclocross in Ronse, on December 14, 2019. (Photo by David Stockman/BELGA/AFP Photo)

Julia Marino of USA in action during the final run of the snowboard slopestyle competition at the Laax Open, in Laax, Switzerland, 17 January 2020. (Photo by Gian Ehrenzeller/EPA/EFE/Rex Features/Shutterstock)

A man wearing a beard imprinted facemask as a preventive measure against the COVID-19 coronavirus walks along a street in New Delhi on June 19, 2020. India has recorded more than 380,000 cases of COVID-19, the fourth-highest in the world, with over 12,500 deaths, health ministry data show. (Photo by Jewel Samad/AFP Photo)

A woman in a face mask dances inside the club on the opening of the summer season for “Villa delle Rose”, one of the most famous clubs on the Adriatic Coast on June 20, 2020 in Rimini, Italy. The Villa delle Rose is among the first dance clubs to reopen in the Adriatic Riviera after the Covid-19 pandemic. (Photo by Max Cavallari/Getty Images)