For the Torajan people of Indonesia, death is part of a spiritual journey: families keep the mummified remains of their deceased relatives in their homes for years – and traditionally invite them to join for lunch on a daily basis – before they are eventually buried. Here: Todeng died in 2009. A young relative of his, Sam, lights him a cigarette and changes his glasses. (Photo by Claudio Sieber Photography/The Guardian)

Activists and supporters of Ukrainian nationalist groups light flares during a rally to mark the third anniversary of the Euromaidan Revolution in downtown Kiev, Ukraine, 21 November 2016. About one thousand activists took park in the rally during which they burned tires on the Independence Square, destroyed the Russian bank Sberbank and broke windows in the office of a Ukrainian politician Viktor Medvedchuk, according to Ukrainian media. (Photo by Roman Pilipey/EPA)

A man lights up his cigarette with the flames of a bus burned by anti-government demonstrators during a protest against the constitutional amendment PEC 55, which limits public spending, in front of Brazil's National Congress in Brasilia, Brazil December 13, 2016. (Photo by Adriano Machado/Reuters)

People view an installation over a lake that forms part of the Enchanted Forest Winter Illuminations at Stockeld Park in Wetherby, North Yorkshire on Monday, November 14, 2022. Light effects, a captivating soundscape, and animated installations come together in the ancient woodland once a year over the Christmas period. (Photo by Danny Lawson/PA Images via Getty Images)

Torchbearers Charles Antoine Kouakou, Fabien Lamirault, Elodie Lorandi, Nantenin Keita and Alexis Hanquinquant gesture after lighting the Cauldron to conclude the opening ceremony of the Paris 2024 Summer Paralympic Games at Place de la Concorde on August 28, 2024 in Paris, France. (Photo by David Ramos/Getty Images)

A festival goer spins a light strip as she dances to electronic music in front of the Belleville stage during the 45th edition of the Paleo Festival, in Nyon, Switzerland, 24 July 2022. The Paleo is the largest open-air music festival in the western part of Switzerland. (Photo by Valentin Flauraud/EPA/EFE)

An illumination is held at a commercial facility “NAMBA PARKS” in Osaka City, Osaka Prefecture on November 15, 2022. Approximately 650,000 LED (light-emitting diode) bulbs are decorated to imagine waterfalls and meadows at the event. (Photo by Naoya Azuma/Yomiuri/The Yomiuri Shimbun via AFP Photo)

After a long time renovation project, the old town in Taiyuan city which was founded in 1357, finally lights up and opens to public in Taiyuan City, north China's Shanxi Province, 23 November 2020. (Photo by Rex Features/Shutterstock)