A woman wearing a face mask to help curb the spread of the coronavirus stretches her body next to a masked woman sitting on a bench outside a shopping mall in Beijing, Thursday, October 21, 2021. (Photo by Andy Wong/AP Photo)

Wild boars eat bread as baits fed by officers from the Agriculture, Fisheries and Conservation Department in Hong Kong, Wednesday, November 17, 2021. Hong Kong authorities this week captured and euthanized seven wild boars to reduce their numbers in urban areas, following an increasing number of boar attacks and after one bit a policeman last week. (Photo by Lam Chun Tung/The Initium Media via AP Photo)

A gilrl plays games in a shopping mall in Beijing, China, 24 November 2021. Demographers in China have called for more efficient implementation of supportive measures to encourage births to address the country's dwindling population growth as country's birthrate last year was 8.52 births per thousand people, the lowest level since 1978, according China Statistical Yearbook 2021. (Photo by Wu Hong/EPA/EFE)

A French rock climber named Jean Michel Casanova scales the 172-meter-high steel derrick of the Bailong Elevator, also known as Bailong Sky Ladder, with his bare hands at the Wulingyuan Scenic Area on June 28, 2023 in Zhangjiajie, Hunan Province of China. (Photo by Deng Daoli/VCG via Getty Images)

Water vapour cascades down the Gold Buddha Mountain after a rainfall, drawing large crowds of visitors, on May 13, 2024 in Chongqing, China. (Photo by Qu Mingbin/VCG via Getty Images)

Local villagers ride a local coal powered steam train on March 27, 2015 at a station in the town of Shixi , Sichuan Province, in Southern China. While China boasts the world's most extensive high-speed rail infrastructure with over 16,000 kilometers of track, the Shixi-Bagou railway is still a primary connection for local villagers between towns and is kept alive by tourist cars carrying passengers for ten times the price. The rail line came into service in the late 1950s and the train was initially used to transport coal from a now-shuttered mine before passenger carriages were added. (Photo by Kevin Frayer/Getty Images)

A woman wearing a mask reacts at her garden which locates next to chimneys of coal-fired power plant in Shijiazhuang, Hebei province, China, January 28, 2015. Beijing introduced tougher regulations this year to combat pollution, keen to overhaul China's unwanted image of smog-choked cities, fouled waterways and heavy-metal tainted soil. (Photo by Kim Kyung-Hoon/Reuters)

An officer wipes sweat off the face of a Chinese People's Liberation Army (PLA) honor guard soldier as they rehearse for a welcoming ceremony for New Zealand's Governor-General Sir Jerry Mateparae at the Great Hall of the People in Beijing, Tuesday, July 21, 2015. (Photo by Mark Schiefelbein/AP Photo)