Believers of the Legio Maria of African Church Mission covered in mud, attend a procession as part of their Christmas Mass near Ugunja, in Siaya County, Kenya on December 25, 2022. (Photo by Thomas Mukoya/Reuters)

A child prays next to a woman during Eid al-Fitr prayers in Bucharest, Romania, Monday, May 2, 2022. Members of the Romanian Muslim community gathered for Eid al-Fitr prayers, marking the end of the holy fasting month of Ramadan, at the Dinamo stadium in the Romanian capital, in the largest Muslim public gathering of the year in Romania. (Photo by Andreea Alexandru/AP Photo)

An Afghan policeman frisks a man while a burqa-cald woman sits in the trunk of a car on a roadside in Herat, Afghanistan, 05 July 2015. At least 18 police, two civilians and 30 rebels were killed in central Afghanistan during three days of fierce fighting, police said on 04 July. The clashes ended 04 July after security forces retook control of nine police checkpoints that had fallen to the rebels. (Photo by Jalil Rezayee/EPA)

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)

Two women pose as they drink real ale at the Great British Beer Festival in the Olympia exhibition centre on August 13, 2013 in London, England. The festival, which runs until August 17, 2013, has over 24 bars serving over 800 different beers, ciders and perries. (Photo by Oli Scarff)

A visitor takes in a view of the downtown district from Twin Peaks on Friday, January 9, 2015, in San Francisco. (Photo by Marcio Jose Sanchez/AP Photo)

Pilgrims ride their horses on their way to the shrine of El Rocio in Villamanrique, Spain, on Saturday, June 4, 2022, during the annual pilgrimage in which hundreds of thousands of devotees of the Virgin del Rocio converge in and around the shrine. (Photo by Joan Mateu Parra/AP Photo)

A model poses in front of phone boxes for a photographer in London, United Kingdom on Friday, October 1, 2021. (Photo by Frank Augstein/AP Photo)