This photo taken on Sept. 3, 2023 shows the Hygiene Health & Medical Industry Innovation Service Conference 2023 held in Beijing, capital of China. (Xinhua/Ju Huanzong)
Shi Yigong, an academician of the Chinese Academy of Sciences and president of Westlake University, speaks during the Hygiene Health & Medical Industry Innovation Service Conference 2023 held in Beijing, capital of China, Sept. 3, 2023. (Xinhua/Ju Huanzong)
