The Wadi al-Salam cemetery, Arabic for “Peace Valley”, is seen in Najaf, south of Baghdad, Iraq August 3, 2016. The world's largest cemetery, in Iraq's Shi'ite holy city of Najaf, is expanding at double its usual rate as Shi'ite militias bury their dead from the war against Islamic State. The Wadi al-Salam cemetery, Arabic for “Peace Valley” has a special place in the hearts of Shi'ite Muslims as it surrounds the Mausoleum of their first imam, Ali Bin Abi Talib, a cousin and son-in-law of Prophet Mohammad. (Photo by Alaa Al-Marjani/Reuters)

Cemetery overcrowding is an issue that resonates around the world, particularly in its most cramped cities and among religions that forbid or discourage cremation. The reality of relying on finite land resources to cope with the endless stream of the dying has brought about creative solutions... (Photo by Rodrigo Abd/AP Photo)

A Sri Lankan Christian girl wears a Santa hair band and a face mask as a precaution against the coronavirus as she arrives at a church to attend the Christmas mass in Colombo, Sri Lanka, Friday, December 25, 2020. (Photo by Eranga Jayawardena/AP Photo)

A protester reacts during a rally against the government's restrictions following the coronavirus disease (COVID-19) outbreak, in Berlin, Germany, August 29, 2020. (Photo by Christian Mang/Reuters)

A model prepares backstage during the body painting show : Miracle World The Ocean organized by Unipa Surabaya at Grand Atrium Royal Plaza on June 21, 2021 in Surabaya, Indonesia. (Photo by Robertus Pudyanto/Getty Images)

A black gibbon is seen in a cage before being released into the wild by Indonesian nature conservation agency (BKSDA) in Jantho forest, Aceh province on August 26, 2021. (Photo by Chaideer Mahyuddin/AFP Photo)

Models showcase collection by designer Zhang Kejia during the 2021 Kunming Fashion Week on December 15, 2021 in Kunming, Yunnan Province of China. (Photo by Li Jiaxian/China News Service via Getty Images)

1st prize in the People Observed Portraits Stories category. Carla Kogelman, the Netherlands. The photo shows Hannah and Alena, two sisters living in the rural village of Merkenbrechts, Austria. (Photo by Carla Kogelman/World Press Photo)