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)

Fans of the East German Trabant car gather for their 7th annual get-together on August 23, 2014 in Zwickau, Germany. Hundreds of Trabant enthusiasts arrived to spend the weekend admiring each others cars, trading stories and enjoying activities. The Trabant, dinky and small by modern standards, was the iconic car produced in former communist East Germany and today has a strong cult following. (Photo by Matthias Rietschel/Getty Images)

In this photograph taken on Thursday, November 20, 2014, bud tenders Maxwell Bradford, back left, and Emma Attolini display buds in the shape of Christmas trees that are on sale for the holiday season in a recreational marijuana shop in northwest Denver. The nascent marijuana industry in Colorado is targeting holiday shoppers with special deals much like traditional retailers offer. (Photo by David Zalubowski/AP Photo)

Anything not recycled in industry is sold on stalls along the neighbouring highway in Sitakunda Beach, Bangladesh, February 2012. A look inside Bangladesh’s ship breaking yards reveal the brutal conditions workers are subjected to everyday. (Photo by Jan Møller Hansen/Barcroft Images)

Members of the Raskol gang “Dirty Dons 585”, 9 Mile Settlement, Port Moresby. All of these young men committed a set of rapes and armed robberies. The gang members admit that two thirds of their victims are women. (Photo by Vlad Sokhin)

Facade of the “Porcelain House”, built by Chinese collector Zhang Lianzhi, on November 1, 2008 in the Heping district of Tianjin, China. Over 400 million porcelain fragments, 5,000 ancient vases, 4,000 antique china dishes and bowls, over 20 tons of crystalline rocks and agate, 400 white marble stone carvings were incorporated in the five year refurbishment of the unique French styled house. (Photo by China Photos/Getty Images)

A caiman in the Pantanal region of Brazil in 2021. They are used to seeing humans, allowing the photographer, Leighton Lum, a close-up shot. (Photo by Leighton Lum/Caters News Agency)

A man holds a gun under his chin as he speaks with members of the NYPD outside the United Nations Headquarters in New York City, U.S., December 2, 2021. (Photo by Carlo Allegri/Reuters)