Photochromes are vibrant and nuanced prints hand-coloured from black-and-white negatives. Created using a process pioneered in the 1880s, these images offer a fascinating insight into the world when colour photography was still in its infancy. A Tour of the World in Photochromes is at the Swiss Camera Museum, Vevey, until 21 August. Here: Street food in the Strada del Porto in Naples, Italy, 1899. (Photo by Swiss Camera Museum/The Guardian)

Bella Thorne is seen in Soho on September 10, 2017 in New York City. (Photo by Splash News and Pictures)

A thirty-year-old Dutch demonstrator displays a sign that reads: “Glad to be Gay” during a gay people march in Frankfurt, Germany on Saturday, July 28, 1979 which ended a week long homosexual meeting. Hundreds of homosexual converged for a week of movies, theater, rock concerts and workshops on gay rights. (Photo by Rolf Boehm/AP Photo)

American model and actress of Brazilian descent Barbara Linhares Ferreira is euphoric in white in the second decade of June 2022. (Photo by barbieferreira/Instagam)

The “Summer House” season 7 premiere party at The Ready Rooftop in the second decade of February 2023. (Photo by Dan Nilson)

Guests on the terrace of Shepheard's Hotel, Cairo, circa 1940. (Photo by Hulton Archive/Getty Images)

Taylor Swift fans wait for the doors of Nilton Santos Olympic stadium to open for her Eras Tour concert amid a heat wave in Rio de Janeiro, Brazil, Saturday, November 18, 2023. A 23-year-old Taylor Swift fan died at the singer's Eras Tour concert in Rio de Janeiro Friday night, according to a statement from the show's organizers in Brazil. (Photo by Silvia Izquierdo/AP Photo)

A boy runs next to a portrait of Thailand's King Bhumibol Adulyadej, placed in celebration of the King's 88th birthday, in Bangkok, Thailand, December 5, 2015. (Photo by Jorge Silva/Reuters)