British singer-songwriter Charli XCX gets daring with her lighter in the second decade of March 2025. (Photo by charlixcx/Instagram)

Beneath the Swedish capital lies an intricate web of underground train lines. More than 90 of the 100 stations in the 110km tunnel system, sometimes referred to as “the world’s longest art gallery”, have been decorated with paintings, installations, mosaics and sculptures by 150 artists since the 1950s. After spending a couple of weeks exploring arctic Norway and Sweden, London-based travel photographer Conor MacNeill headed underground to capture images of the metro stations. Here: A rainbow arcs over a girl on the platform of Stadion station. (Photo by Conor MacNeill/The Observer)

View of a light show on the city's iconic Arc de Triomphe monument during the New Year celebration in Paris, France, December 31, 2016. (Photo by Jacky Naegelen/Reuters)

A camel rider push his camel in the annual Wadi Zalaga competition between two rival Bedouin tribes in the South Sinai region, Egypt on January 10, 2023. (Photo by Celestino Arce/NurPhoto/Rex Features/Shutterstock)

Protesters a demonstration of the LGTBI collective in Madrid on November 20, 2021 against the rise of the fascism in the society and in support of the new transgender law in Spain. (Photo by Celestino Arce Lavin/ZUMA Press Wire/Rex Features/Shutterstock)

Members of the Krewe of Joan of Arc parade as Twelfth Night kicks off Carnival season, in New Orleans, Louisiana, on January 6, 2025. (Photo by Eduardo Munoz/Reuters)

Tokyo, “Electric City”. August 24, 2009. (Photo by Caribb; Source: Flickr)