Maria, 18, wearing a traditional Sevillana outfit, poses for a portrait during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville April 16, 2013. (Photo by Marcelo del Pozo/Reuters)

The Chavo del Ocho balloon makes its way along the streets during an annual Christmas parade at Santiago town in Chile, December 13, 2015. (Photo by Pablo Sanhueza/Reuters)

A model applies lipstick backstage during the “We Love Flamenco” fashion show in the Andalusian capital of Seville January 14, 2015. The show will run until January 18. (Photo by Marcelo del Pozo/Reuters)

Indigenous men perfom the “Danza del Parachicos” (Parachicos dance) to honor the Lord of Esquipulas during a pilgrimage in the municipality of Chiapa de Corzo, Mexico, 15 January 2024. (Photo by Carlos López/EPA)

A Colombian Nukak Maku Indian boy gestures in a refugee camp at Agua Bonita near San Jose del Guaviare of Guaviare province September 3, 2015. Since emerging from the jungle in 2005, half naked and carrying blowpipes, the Nukak have lived in settlements near the frontier town of San Jose del Guaviare, a humid outpost in the Amazon 400 km (250 miles) southeast of the capital Bogota. (Photo by John Vizcaino/Reuters)

Valeria Gonzalez Maidana of Paraguay performs in the final round of the first Budapest Ballet Grand Prix in the National Dance Theatre in Budapest, Hungary on November 23, 2023. The international ballet competition was launched by the Hungarian Dance University, a leading training facility of Hungarian professional dancers, to promote ballet and dance art in Hungary. The competition offers young dancers an opportunity to compete and gain exposure in the international dance scene, and provides scholarships and career opportunities for the most outstanding dancers. The event runs from 21 to 24 November. (Photo by Tamas Vasvari/EPA)

View of the visitor walkway at the Iguazu Falls, which was destroyed by the strong current of the river on the triple border between Brazil, Argentina and Paraguay, on October 30, 2023. The Falls are flowing at over 24 million liters of water per second, according to hydrological monitoring by Companhia Paranaense de Energia (Copel). This is the second highest flow since 1997, when monitoring became automatic and was measured hourly. (Photo by Christian Rizzi/AFP Photo)

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)