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)

A Peru fan cheers of her team during a Quarterfinal match between Colombia and Peru at MetLife Stadium as part of Copa America Centenario US 2016 on June 17, 2016 in East Rutherford, New Jersey, US. (Photo by Chris Szagola/LatinContent/Getty Images)

A boy jumps from a swing during sunset in Valras-Plage, southern France December 29, 2014. (Photo by Yves Herman/Reuters)

Ammunition airlift into besieged Khe Sanh, Operation Pegasus, April 1968. (Photo by Larry Burrows/AP Photo)

Supermodel Bella Hadid (L) arrives at the Peppermint Club to watch her bestfriend, Jesse Jo Stark, perform her music in Los Angeles, CA on August 29, 2018. (Photo by Photographer Group/Splash News and Pictures)

The Mercedes Vision EQ Silver Arrow is displayed at the Auto show in Paris, France, Tuesday, October 2, 2018, 2018. The one-seater vehicle is an homage to the record-breaking W 125 car from 1937. (Photo by Thibault Camus/AP Photo)

Ezra Miller attends the 2019 Met Gala celebrating “Camp: Notes on Fashion” at the Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Andrew Kelly/Reuters)

View of the Villarrica volcano taken from Pucon, some 800 kilometres south of Santiago, showing signs of activity on December 06, 2017. (Photo by Christian Miranda/AFP Photo)