Iraqi boys swim with a herd of buffaloes in the Diyala River in the Faziliah district, east of Baghdad on August 2, 2021, amid extreme summer temperatures. As Iraq bakes under a blistering summer heat wave, its hard-scrabble farmers and herders are battling severe water shortages that are killing their animals, fields and way of life. (Photo by Ahmad Al-Rubaye/AFP Photo)

A Palestinian man sells corn at Gaza Beach during sunset on August 8, 2021. (Photo by Sameh Rahmi/NurPhoto/Rex Features/Shutterstock)

A Garba (folk dance) participant gets her back painted with an awareness message on vaccination against the Covid-19 coronavirus during the ongoing Navratri festival in Ahmedabad in western India on October 8, 2021. (Photo by Sam Panthaky/AFP Photo)

A gallery assistant poses by a sculpture entitled “Dark Place” by Australian artist Ron Mueck displayed at Thaddaeus Ropac gallery in London, Britain, October 11, 2021. The exhibition dedicated to Ron Mueck will open to the public from Oct. 12 to Nov. 13 ahead of Frieze Week. (Photo by Matthew Childs/Reuters)

In this July 29, 2021 file photo, the pillars of the massive Rosario-Victoria Bridge are exposed during a drought affecting the Parana River near Rosario, Argentina. At the port city of Santa Fe the river registered a level of 22 centimeters, the lowest in 50 years. (Photo by Victor Caivano/AP Photo/File)

Yuandudu, a camera-shy panda cub, covers her eyes in Beauval ZooParc in France in November 2021. The three-month-old and her twin are fed once each by their mother every day, taking 150-200g of milk per feed. In between they have one bottle feed per day from the specially trained keepers who were sent from China to supervise their birth and early care. (Photo by Eric Baccega/Naturepl.com/LDY Agency)

Londoners sleep on the platform and on the train tracks at Aldwych Underground station,London, during heavy all night Nazi bombing raids, October 8, 1940. (Photo by AP Photo)

Farmer Zhang Xianping rides his pig "Big Precious" during an interview with the media, in Zhangjiakou, Hebei province, China, November 2, 2015. Zhang, a pig breeder, instead of killing it, decided to keep the two-year-old "Big Precious" as pet when its weight reached 600 kg, according to local media. (Photo by Reuters/China Daily)