Joseph Szabo was a frustrated high-school teacher in need of inspiration – so he started photographing his students, and captured all the angst and excitement of being caught between childhood and adulthood. Here: “Priscilla”, 1969. (Photo by Joseph Szabo/Courtesy of Michael Hoppen Gallery/The Guardian)

This photo taken on December 2, 2015 shows a lenticular cloud forming as white streaks from airplanes mark the blue sky, in a rare atmospheric phenomena above the town of Gevgelija on December 2, 2015. Lenticular clouds have been regularly confused for UFOs throughout history due to the their smooth, round or oval lens-shaped structure. (Photo by Armend Nimani/AFP Photo)

Actress Liv Tyler, 40, stripped in shots for the Triumph Essence's Autumn/Winter 2017 campaign in November, 2017. The Essence line is Triumph’s premium offering, with this season taking on the theme of “opulent Art Nouveau”, featuring designs in velvet embellished mesh, Leavers lace and silk satin. (Photo by Rankin/The Mega Agency)

An Afghan girl jumps off the wall of a small cemetery in Kandahar on July 29, 2022. (Photo by Daniel Leal/AFP Photo)

A gosling sits in the plumage of its mother, in a meadow in Frankfurt, Germany, Saturday, April 13, 2024. (Photo by Michael Probst/AP Photo)

Soldiers take a selfie on the plateform at a metro station in Ho Chi Minh City on December 22, 2024. Thousands of selfie-taking Ho Chi Minh City residents crammed into train carriages on December 22, as the traffic-clogged business hub celebrated the opening of its first-ever metro line after years of delays. (Photo by Nhac Nguyen/AFP Photo)

This photograph taken during a government organised media tour shows College of Science graduates from Tibet University celebrating their graduation at the Potala Palace Square in the regional capital Lhasa, in China's Tibet Autonomous Region, on June 1, 2021. (Photo by Hector Retamal/AFP Photo)

People cool off in Crown Fountain in Millennium Park on August 12, 2021 in Chicago, Illinois. As temperatures climb across the nation, nearly 200 million Americans are under some level of heat advisory. (Photo by Scott Olson/Getty Images)