Iraqi forces gather during an operation to attack Islamic State militants in Mosul, Iraq, October 21, 2016. (Photo by Reuters/Stringer)

Widows, who have been abandoned by their families, light sparklers after offering prayers on the banks of the river Yamuna as part of Diwali celebrations organised by non-governmental organisation Sulabh International in Vrindavan, Uttar Pradesh October 21, 2014. (Photo by Ahmad Masood/Reuters)

Growing cities, overuse of fertilizers and factory wastewater have degraded China's water supplies to the extent that half the nation's rivers and lakes are severely polluted. China aims to spend $850 billion to improve filthy water supplies over the next decade, but even such huge outlays may do little to reverse damage caused by decades of pollution and overuse in Beijing's push for rapid economic growth. Photo: Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. (Photo by Jianan Yu/Reuters)

A child working at Ship breaking yard in Chittagong, Bangladesh on November 14, 2014. (Photo by Pascal Mannaerts/Alamy Stock Photo)

An actor dressed as Santa Claus and wearing a face mask to protect against coronavirus infection speaks with a boy during the New Year celebration in a shopping mall in St.Petersburg, Russia, Saturday, January 2, 2021. (Photo by Dmitri Lovetsky/AP Photo)

Transgender actress Aubrey Banks presents a creation from the CHULO underwear collection ahead of CHULO founder and lead designer Ricardo Muniz during the New York Fashion Week, in a show that raised money for transgender and cisgender young women victims of violence, in New York, U.S. February 7, 2019. (Photo by Andrew Kelly/Reuters)

Sparkler fireworks are created by Palestinian children in the al-Zaytoun district on the east of Gaza City on March 28, 2023 during Ramadan. The fireworks, which are made with steel wire wool, are part of the celebrations in the Palestinian enclave during the Muslim holy month. (Photo by Ahmad Hasaballah/IMAGESLIVE via ZUMA Press Wire/Rex Features/Shutterstock)