Nihon University professor and head of Nihon University Animal Medical Center Kazuya Edamura, 49, points to cat photos on a computer screen, which are used to train the AI of “CatsMe!”, an AI-driven smartphone application jointly developed by tech startup Carelogy and researchers at Nihon University that purports to tell when a cat is feeling pain, as he gives a lecture to students on diagnosing pain in cats, at the medical center in Fujisawa, south of Tokyo, Japan on June 11, 2024. (Photo by Issei Kato/Reuters)

Farmers work on a farm near a construction site of new residential buildings in Shanghai, China, February 20, 2016. (Photo by Aly Song/Reuters)

People take a photo next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China on March 31, 2021. (Photo by Thomas Peter/Reuters)

Children wearing cardboard lion dance masks walk along a street in Beijing on January 13, 2023. China has announced its first overall population decline in recent years amid an aging society and plunging birthrate. (Photo by Mark Schiefelbein/AP Photo)

Photo taken on March 30, 2021 shows visitors enjoying pear flowers and orchid in full bloom at Santaishan Forest Park in Suqian, east China's Jiangsu Province. (Photo by Costfoto/Barcroft Media via Getty Images)

Dancers pose for photos at a park in Beijing, China, Thursday, October 14, 2021. (Photo by Ng Han Guan/AP Photo)

A motorway bridge crosses the icy Hunhe River in Shenyang, China on December 12, 2019. (Photo by Costfoto/Barcroft Media)

Giant pandas eat at Chongqing Zoo in Chongqing, China on September 23, 2023. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)