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)

Riot police clash with demonstrators protesting against proposed pension reforms outside the Congress in Buenos Aires on December 18, 2017. Protesters angry at proposed pension and welfare reforms attacked police close to Argentina's congress building in Buenos Aires on Monday, the second protest in a week to turn violent. Activists lobbed stones, bottles and firecrackers at police as huge crowds demonstrated against pension reforms proposed by the center-right government of President Mauricio Macri. (Photo by Eitan Abramovich/AFP Photo)

Sudan cheetah cub Assama inspects a camera bag in its enclosure at the Landau Zoo, in Landau, Germany, 03 September 2025. Assama, born in July as the only cub to a cheetah cat, was rejected by its mother, and is now being bottle-fed by its caretakers. (Photo by Ronald Wittek/EPA)

Soldier wear face masks prior to the Bastille Day parade Tuesday, July 14, 2020 on the Champs Elysees avenue in Paris. France are honoring nurses, ambulance drivers, supermarket cashiers and others on its biggest national holiday Tuesday. Bastille Day's usual grandiose military parade in Paris is being redesigned this year to celebrate heroes of the coronavirus pandemic. (Photo by Christophe Ena/AP Photo/Pool)

Sеx worker Geraldine, wearing cat make-up, excitedly holds up a dress she is thinking of buying from a street vendor, so that her partner, sitting nearby to keep her company, can see it, as she waits for clients outside the Revolution subway station, in Mexico City, Saturday, March 13, 2021. According to Geraldine, 30, the pandemic has cut clients and increased risks to the sеx workers but has also brought out more assistance for them too, both from dedicated organizations such as the activist group Brigada Callejera or “The Street Brigade” and from individuals who have donated food or clothing. (Photo by Rebecca Blackwell/AP Photo)

Switzerland's cyclist Marlen Reusser reacts after placing second in the women' elite time trial race of the UCI World Championships Road Cycling Flanders 2021, in Bruges, on September 20, 2021. UCI World Championships Road Cycling Flanders 2021 takes place from September 19 until September 26, 2021, in several cities in the Belgian region of Flanders. (Photo by Simon Wilkinson/BELGA via AFP Photo)

Weighing 1,500lb, Brutus the great white shark lunges at some bait off Guadalupe Island, Mexico in July 2022. (Photo by Euan Rannachan/Media Drum Images/The Times)

A morning fog is seen in the Siberian city of Omsk, Russia on October 8, 2019. (Photo by Alexey Malgavko/Reuters)