A citizen rides in smog on December 20, 2016 in Jinan, Shandong Province of China. Air quality index (AQI) readings exceeded 400 and some schools have suspended classes in Jinan. (Photo by VCG/VCG via Getty Images)

Food is placed on the tomb of pet dog Xixi at Baifu pet cemetery ahead of the Qingming Festival on the outskirts of Beijing, China March 26, 2016. The Chinese characters on the gravestone read: “Mommy's only good son”. (Photo by Jason Lee/Reuters)

Protesters wear gas masks in the front of the Romanian Environment Ministry in Bucharest March 4, 2019, to demand better air. Dozens of people holding placards reading “Our children don't breath air anymore” gather in the front of the Environment Ministry to ask for better breathable air in Bucharest. (Photo by Daniel Mihailescu/AFP Photo)

Animal rights activists dressed up as rabbit carry signs that read “Ajinomoto Stop Animal Testing” as they protest outside Ajinomoto headquarters in Kuala Lumpur on January 20, 2023, ahead of Lunar New Year. Activists call for the end of Japanese food company testing on rabbits, dogs, pigs and other animals. (Photo by Arif Kartono/AFP Photo)

A row of abandoned oil tanks is filled with creepers on the riverside of Liyun River in Huai 'an, East China's Jiangsu Province, May 9, 2023. (Photo credit should read CFOTO/Future Publishing via Getty Images)

A woman with the Ukrainian national colours painted on her body and reading “Stop raping us” protest on the red carpet during the screening of the film “Three Thousand Years of Longing” during the 75th edition of the Cannes Film Festival in Cannes, southern France, on May 20, 2022. (Photo by Sarah Meyssonnier/Reuters)

A giant Santa Claus, created and worn by local artist Ed Terrell, 66, walks home with his son and assistant, Rupanuga, 18, following a ceremony to decorate a scraggly Christmas tree with a single red Bulb in Reading, Pennsylvania, December 7, 2014. A ceremony to decorate the scraggly Christmas tree in Reading, Pennsylvania with a single red bulb, much like Charlie Brown's tree in the animated holiday classic, was postponed to Sunday from Saturday because of rain and cold temperatures, officials said. Officials decided to hold a re-dedication ceremony, which will include a Spanish and English reading from the movie's screenplay, and decorate it with a single red bulb, as in the 1965 animated television special, “A Charlie Brown Christmas”. (Photo by Mark Makela/Reuters)

Sea lion “Jay” paints a Chinese character reading “the Serpent” at the Hakkeijima Sea Paradise aquarium in Yokohama, suburban Tokyo on January 3, 2013. The event, marking the forthcoming Chinese lunar calender year of the snake was held as part of a New Year's attraction. (Photo by Kazuhiro Nogi/AFP Photo)