Pregnant Tibetan antelopes move across the Qinghai-Tibet highway in Hoh Xil, northwest China's Qinghai Province, May 29, 2023. A growing number of pregnant Tibetan antelopes are migrating to the heart of northwest China's Hoh Xil National Nature Reserve to give birth, according to the reserve's management office. Every year, tens of thousands of pregnant Tibetan antelopes start their migration to Hoh Xil in around May to give birth and leave with their offspring in late July. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

An art installation called “Double Ducks” by Dutch artist Florentijn Hofman is seen at Victoria Harbour in Hong Kong, Friday, June 9, 2023. Two giant inflatable ducks made a splash in Hong Kong's Victoria Harbor on Friday, marking the return of a pop-art project that sparked a frenzy in the city a decade ago. (Photo by Louise Delmotte/AP Photo)

Armed police officers and soldiers strengthen their training in seawater in Fangchenggang City, Guangxi Province, China on July 24, 2023. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)

A worker stands next to a Southern Two-toed Sloth at the Sloth and Friends Studio inside Hong Kong Ocean Park on August 3, 2023 in Hong Kong, China. (Photo by Vernon Yuen/Rex Features/Shutterstock)

Women grieves near a bodies covered by tarp at the site of a landslide in Xinmo village in Maoxian County in southwestern China's Sichuan Province, Sunday, June 25, 2017. Crews searching through the rubble left by a landslide that buried a mountain village under tons of soil and rocks in southwestern China on Saturday found bodies, but more than 100 people remained missing. (Photo by Ng Han Guan/AP Photo)

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)