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

A woman wearing a protective mask stands as she waits for the bus at the sidewalk, after Indonesia confirmed its first cases of coronavirus, in Jakarta, Indonesia, March 4, 2020. (Photo by Willy Kurniawan/Reuters)

An Oriental Garden Lizard sits on a tree in Gauhati, India, Tuesday, April 16, 2019. During the breeding season, the male lizard's head and throat turn a bright color. (Photo by Anupam Nath/AP Photo)

Racegoers attend the opening day of the Grand National Festival horse race meeting at Aintree Racecourse in Liverpool, north west England on April 7, 2022. (Photo by John Mather/Image View)

A newly born albino red-necked wallaby joey eats as it is being carried by its mother in their enclosure at the zoo in Decin, Czech Republic, May 18, 2022. (Photo by David W. Cerny/Reuters)

A tern chick takes its first steps in the first decade of June 2024 at Nickerson Beach, New York, a common nesting location. (Photo by Suraj Ramamurthy/Solent News)

Wildlife photographer Danté Fenolio has headed into areas untouched by sunlight – deep seas, caves and underground – and found creatures that are exploding with colour. Here: The golden harlequin toad has vanished from the wild, and only a small number live on in captivity. A fungus caused them, and many other amphibians, to die out in their home in Central America. (Photo by Danté Fenolio/The Guardian/Johns Hopkins University Press)

Ballet dancer and performer Ashlee Montague of New York wears a gas mask while she dances in Times Square as the coronavirus disease (COVID-19) outbreak continued in Manhattan, New York City, U.S., March 18, 2020. (Photo by Andrew Kelly/Reuters)